Shojkhet, D. M. Some properties of Fredholm mappings of Banach analytic manifolds. (English. Russian original) Zbl 0772.58008 Sov. Math., Dokl. 44, No. 1, 358-363 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1336-1341 (1991). Reviewer: L.Maxim-Răileanu (Iaşi) MSC: 58B15 32K05 58B12 PDF BibTeX XML Cite \textit{D. M. Shojkhet}, Sov. Math., Dokl. 44, No. 1, 358--363 (1991; Zbl 0772.58008); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1336--1341 (1991)
Chistyakov, S. V. Programmed iterations and universal \(\varepsilon\)-optimal strategies in a positional differential game. (English. Russian original) Zbl 0770.90092 Sov. Math., Dokl. 44, No. 1, 354-357 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1333-1335 (1991). Reviewer: L.F.Pau (Valbonne) MSC: 91A23 91A24 PDF BibTeX XML Cite \textit{S. V. Chistyakov}, Sov. Math., Dokl. 44, No. 1, 354--357 (1991; Zbl 0770.90092); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1333--1335 (1991)
Serdyukova, S. I. Necessary and sufficient conditions for stability in \(C\) of linear difference boundary value problems of general form. (English. Russian original) Zbl 0773.39004 Sov. Math., Dokl. 44, No. 1, 348-353 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1328-1332 (1991). Reviewer: J.Popenda (Poznań) MSC: 39A11 39A10 PDF BibTeX XML Cite \textit{S. I. Serdyukova}, Sov. Math., Dokl. 44, No. 1, 348--353 (1991; Zbl 0773.39004); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1328--1332 (1991)
Platonov, V. P.; Rapinchuk, A. S. Abstract characterizations of arithmetic groups with the congruence property. (English. Russian original) Zbl 0774.11020 Sov. Math., Dokl. 44, No. 1, 342-347 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1322-1327 (1991). Reviewer: K.Riives (Tartu) MSC: 11E57 PDF BibTeX XML Cite \textit{V. P. Platonov} and \textit{A. S. Rapinchuk}, Sov. Math., Dokl. 44, No. 1, 342--347 (1991; Zbl 0774.11020); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1322--1327 (1991)
Pankov, A. A. On positive solutions of nonlinear elliptic equations in the whole space. (English. Russian original) Zbl 0779.35042 Sov. Math., Dokl. 44, No. 1, 337-341 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1318-1321 (1991). Reviewer: O.Titow (Berlin) MSC: 35J60 35J15 35J20 PDF BibTeX XML Cite \textit{A. A. Pankov}, Sov. Math., Dokl. 44, No. 1, 337--341 (1991; Zbl 0779.35042); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1318--1321 (1991)
Nikol’skij, S. M. Approximation of functions by trigonometric polynomials on a manifold. I. (English. Russian original) Zbl 0774.42013 Sov. Math., Dokl. 44, No. 1, 332-336 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1313-1317 (1991). Reviewer: L.Leindler (Szeged) MSC: 42B99 42A10 41A65 46E35 PDF BibTeX XML Cite \textit{S. M. Nikol'skij}, Sov. Math., Dokl. 44, No. 1, 332--336 (1991; Zbl 0774.42013); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1313--1317 (1991)
Maksimova, L. L. The Beth properties, interpolation, and amalgamability in varieties of modal algebras. (English. Russian original) Zbl 0785.03005 Sov. Math., Dokl. 44, No. 1, 327-331 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1309-1312 (1991). MSC: 03B45 03G25 08B99 03C40 PDF BibTeX XML Cite \textit{L. L. Maksimova}, Sov. Math., Dokl. 44, No. 1, 327--331 (1991; Zbl 0785.03005); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1309--1312 (1991)
Lavrik, A. A. The strong Titchmarsh conjecture in the discrete theory of the Riemann zeta-function. (English. Russian original) Zbl 0774.11050 Sov. Math., Dokl. 44, No. 1, 322-326 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1305-1308 (1991). Reviewer: K.Thanigasalam (Monaca) MSC: 11M06 PDF BibTeX XML Cite \textit{A. A. Lavrik}, Sov. Math., Dokl. 44, No. 1, 322--326 (1991; Zbl 0774.11050); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1305--1308 (1991)
Kazaryan, S. S. Integral inequalities in the spaces \(L_ \omega{}^ \Phi{}(S^{n-1})\). (English. Russian original) Zbl 0797.42011 Sov. Math., Dokl. 44, No. 1, 318-321 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1301-1304 (1991). Reviewer: Yu.Lyubarskij (Khar’kov) MSC: 42B20 42B25 31B05 PDF BibTeX XML Cite \textit{S. S. Kazaryan}, Sov. Math., Dokl. 44, No. 1, 318--321 (1991; Zbl 0797.42011); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1301--1304 (1991)
Epifanov, O. V. Duality of a pair of spaces of analytic functions of bounded growth. (English. Russian original) Zbl 0776.32005 Sov. Math., Dokl. 44, No. 1, 314-317 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1297-1300 (1991). Reviewer: A.Pankov (Vinnitsa) MSC: 32A37 32C37 PDF BibTeX XML Cite \textit{O. V. Epifanov}, Sov. Math., Dokl. 44, No. 1, 314--317 (1991; Zbl 0776.32005); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1297--1300 (1991)
Dzhuraev, A. On the Cauchy problem for nonhomogeneous Cauchy-Riemann systems. (English. Russian original) Zbl 0776.32020 Sov. Math., Dokl. 44, No. 1, 309-313 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1292-1296 (1991). Reviewer: Vo Van Tan (Boston) MSC: 32V05 PDF BibTeX XML Cite \textit{A. Dzhuraev}, Sov. Math., Dokl. 44, No. 1, 309--313 (1991; Zbl 0776.32020); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1292--1296 (1991)
Borsuk, M. V. Estimates of solutions of the Dirichlet problem near a corner point for a quasilinear elliptic nondivergence equation of second order. (English. Russian original) Zbl 0779.35031 Sov. Math., Dokl. 44, No. 1, 306-308 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1289-1291 (1991). Reviewer: O.Titow (Berlin) MSC: 35J25 35J65 PDF BibTeX XML Cite \textit{M. V. Borsuk}, Sov. Math., Dokl. 44, No. 1, 306--308 (1991; Zbl 0779.35031); translation from Dokl. Akad. Nauk SSSR 319, No. 6, 1289--1291 (1991)
Sidorov, N. A.; Blagodatskaya, E. B. Differential equations with a Fredholm operator in the leading differential expression. (English. Russian original) Zbl 0789.35161 Sov. Math., Dokl. 44, No. 1, 302-305 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1087-1090 (1991). MSC: 35R20 35C99 35C05 PDF BibTeX XML Cite \textit{N. A. Sidorov} and \textit{E. B. Blagodatskaya}, Sov. Math., Dokl. 44, No. 1, 302--305 (1991; Zbl 0789.35161); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1087--1090 (1991)
Sviridyuk, G. A.; Bokareva, T. A. The Deborah number and a class of semilinear equations of Sobolev type. (English. Russian original) Zbl 0789.35085 Sov. Math., Dokl. 44, No. 1, 297-301 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1082-1086 (1991). MSC: 35K57 74B99 74C99 74D99 92D40 PDF BibTeX XML Cite \textit{G. A. Sviridyuk} and \textit{T. A. Bokareva}, Sov. Math., Dokl. 44, No. 1, 297--301 (1991; Zbl 0789.35085); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1082--1086 (1991)
Rodin, V. A. The BMO-property of the partial sums of a Fourier series. (English. Russian original) Zbl 0768.42006 Sov. Math., Dokl. 44, No. 1, 294-296 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1079-1081 (1991). MSC: 42A16 42C10 PDF BibTeX XML Cite \textit{V. A. Rodin}, Sov. Math., Dokl. 44, No. 1, 294--296 (1991; Zbl 0768.42006); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1079--1081 (1991)
Oĭnarov, R. Weighted inequalities for a class of integral operators. (English. Russian original) Zbl 0787.47036 Sov. Math., Dokl. 44, No. 1, 291-293 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1076-1078 (1991). MSC: 47G10 47A30 PDF BibTeX XML Cite \textit{R. Oĭnarov}, Sov. Math., Dokl. 44, No. 1, 291--293 (1991; Zbl 0787.47036); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1076--1078 (1991)
Nadirashvili, N. S. Universal classes of uniqueness of domains in the inverse problem of Newtonian potential theory. (English. Russian original) Zbl 0780.31005 Sov. Math., Dokl. 44, No. 1, 287-290 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1072-1075 (1991). Reviewer: R.G.Newton (Bloomington) MSC: 31B20 35R30 PDF BibTeX XML Cite \textit{N. S. Nadirashvili}, Sov. Math., Dokl. 44, No. 1, 287--290 (1991; Zbl 0780.31005); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1072--1075 (1991)
Konyukhova, N. B. On the limit behavior of a bounded solution of a system of evolution partial differential equations of first order for unbounded increase of time. (English. Russian original) Zbl 0789.35077 Sov. Math., Dokl. 44, No. 1, 281-286 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1065-1071 (1991). MSC: 35G10 35K25 35B40 PDF BibTeX XML Cite \textit{N. B. Konyukhova}, Sov. Math., Dokl. 44, No. 1, 281--286 (1991; Zbl 0789.35077); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1065--1071 (1991)
Vinokurov, V. A. Change of variables and multiplication of generalized functions. (English. Russian original) Zbl 0781.46029 Sov. Math., Dokl. 44, No. 1, 273-280 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1057-1064 (1991). Reviewer: L.Simon (Budapest) MSC: 46F10 PDF BibTeX XML Cite \textit{V. A. Vinokurov}, Sov. Math., Dokl. 44, No. 1, 273--280 (1991; Zbl 0781.46029); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1057--1064 (1991)
Bugir, M. K. The connection between the nonoscillatory nature of solutions and ill- posed boundary value problems for fourth-order equations of elliptic type. (English. Russian original) Zbl 0765.35057 Sov. Math., Dokl. 44, No. 1, 269-272 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1053-1056 (1991). MSC: 35R25 35J40 35G15 PDF BibTeX XML Cite \textit{M. K. Bugir}, Sov. Math., Dokl. 44, No. 1, 269--272 (1991; Zbl 0765.35057); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1053--1056 (1991)
Bojmatov, K. Kh. Multiparameter spectral asymptotics for elliptic pseudodifferential operators on compact manifolds. (English. Russian original) Zbl 0778.47003 Sov. Math., Dokl. 44, No. 1, 263-268 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1048-1052 (1991). MSC: 47A13 47A56 PDF BibTeX XML Cite \textit{K. Kh. Bojmatov}, Sov. Math., Dokl. 44, No. 1, 263--268 (1991; Zbl 0778.47003); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1048--1052 (1991)
Bozhinov, N. S. Sufficient conditions for the basis property, convergence and summability of a root expansion in a nonlocal Sturm-Liouville problem. (English. Russian original) Zbl 0778.34017 Sov. Math., Dokl. 44, No. 1, 257-262 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1042-1047 (1991). Reviewer: M.Möller (Regensburg) MSC: 34B24 34L10 PDF BibTeX XML Cite \textit{N. S. Bozhinov}, Sov. Math., Dokl. 44, No. 1, 257--262 (1991; Zbl 0778.34017); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1042--1047 (1991)
Ajzikovich, S. M. Asymptotic solution of a class of dual equations for large values of the parameter. (English. Russian original) Zbl 0770.45007 Sov. Math., Dokl. 44, No. 1, 252-256 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1037-1041 (1991). Reviewer: S.Balint (Timişoara) MSC: 45F10 45M05 45L05 PDF BibTeX XML Cite \textit{S. M. Ajzikovich}, Sov. Math., Dokl. 44, No. 1, 252--256 (1991; Zbl 0770.45007); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1037--1041 (1991)
Agadzhanov, A. N. Properties of monotone limits of Banach spaces. (English. Russian original) Zbl 0806.46003 Sov. Math., Dokl. 44, No. 1, 247-251 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1033-1036 (1991). Reviewer: M.Ostrovskij (Khar’kov) MSC: 46A13 46A11 46E35 46A35 46E30 PDF BibTeX XML Cite \textit{A. N. Agadzhanov}, Sov. Math., Dokl. 44, No. 1, 247--251 (1991; Zbl 0806.46003); translation from Dokl. Akad. Nauk SSSR 319, No. 5, 1033--1036 (1991)
Shcherbin, V. M. Integration of mappings with values in regular \(K\)-spaces. (English. Russian original) Zbl 0793.28010 Sov. Math., Dokl. 44, No. 1, 243-246 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 832-834 (1991). Reviewer: P.Pavlakos (Athens) MSC: 28B15 PDF BibTeX XML Cite \textit{V. M. Shcherbin}, Sov. Math., Dokl. 44, No. 1, 243--246 (1991; Zbl 0793.28010); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 832--834 (1991)
Shirinbekov, M. On the theory of the generalized Cauchy-Riemann system of two complex variables. (English. Russian original) Zbl 0781.35043 Sov. Math., Dokl. 44, No. 1, 237-242 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 827-831 (1991). Reviewer: S.G.Krantz (St.Louis) MSC: 35N15 32W05 PDF BibTeX XML Cite \textit{M. Shirinbekov}, Sov. Math., Dokl. 44, No. 1, 237--242 (1991; Zbl 0781.35043); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 827--831 (1991)
Salmanov, Yu. D. Traces of functions in weighted classes on manifolds, and inverse imbedding theorems. (English. Russian original) Zbl 0836.46023 Sov. Math., Dokl. 44, No. 1, 233-236 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 823-826 (1991). Reviewer: A.Kufner (Praha) MSC: 46E35 46E30 PDF BibTeX XML Cite \textit{Yu. D. Salmanov}, Sov. Math., Dokl. 44, No. 1, 233--236 (1991; Zbl 0836.46023); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 823--826 (1991)
Krasnosel’skij, M. A.; Pokrovskij, A. V. Operators in the problem of forced oscillations in systems with hysteresis. (English. Russian original) Zbl 0805.47066 Sov. Math., Dokl. 44, No. 1, 228-232 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 819-822 (1991). Reviewer: J.Appell (Würzburg) MSC: 47H30 47J05 PDF BibTeX XML Cite \textit{M. A. Krasnosel'skij} and \textit{A. V. Pokrovskij}, Sov. Math., Dokl. 44, No. 1, 228--232 (1991; Zbl 0805.47066); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 819--822 (1991)
Zaslavskij, A. Ya. Optimal trajectories in a model with discrete innovations. (English. Russian original) Zbl 0773.90007 Sov. Math., Dokl. 44, No. 1, 225-227 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 816-818 (1991). MSC: 91B38 91B62 PDF BibTeX XML Cite \textit{A. Ya. Zaslavskij}, Sov. Math., Dokl. 44, No. 1, 225--227 (1991; Zbl 0773.90007); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 816--818 (1991)
Dzhangibekov, G. On conditions for the Noether property, and on the index of certain two- dimensional singular integral operators. (English. Russian original) Zbl 0774.47023 Sov. Math., Dokl. 44, No. 1, 220-224 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 811-815 (1991). MSC: 47G10 47A53 45E05 47B38 PDF BibTeX XML Cite \textit{G. Dzhangibekov}, Sov. Math., Dokl. 44, No. 1, 220--224 (1991; Zbl 0774.47023); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 811--815 (1991)
Guliev, V. S.; Lizorkin, P. I. \({\mathcal B}\)- and \({\mathcal L}\)-classes of harmonic and holomorphic functions in the disk, and classes of boundary values. (English. Russian original) Zbl 0784.46020 Sov. Math., Dokl. 44, No. 1, 215-219 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 806-810 (1991). Reviewer: S.J.Sidney (Storrs) MSC: 46E15 30D55 46E10 46E35 PDF BibTeX XML Cite \textit{V. S. Guliev} and \textit{P. I. Lizorkin}, Sov. Math., Dokl. 44, No. 1, 215--219 (1991; Zbl 0784.46020); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 806--810 (1991)
Gromov, V. P. Nontrivial expansion of zero and representing systems of eigenvectors of a linear operator. (English. Russian original) Zbl 0776.30004 Sov. Math., Dokl. 44, No. 1, 209-214 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 801-805 (1991). Reviewer: F.Haslinger (Wien) MSC: 30B50 30B60 PDF BibTeX XML Cite \textit{V. P. Gromov}, Sov. Math., Dokl. 44, No. 1, 209--214 (1991; Zbl 0776.30004); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 801--805 (1991)
Gekhtman, M. M. jun. On the question of estimates of normalized eigenfunctions of the Sturm- Liouville operator with nonsmooth coefficients. (English. Russian original) Zbl 0778.34018 Sov. Math., Dokl. 44, No. 1, 206-208 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 798-800 (1991). Reviewer: M.Möller (Regensburg) MSC: 34B24 34L20 PDF BibTeX XML Cite \textit{M. M. Gekhtman jun.}, Sov. Math., Dokl. 44, No. 1, 206--208 (1991; Zbl 0778.34018); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 798--800 (1991)
Vinokurov, V. A. The logarithm of the solution of a linear differential equation, Hausdorff’s formula, and conservation laws. (English. Russian original) Zbl 0772.34012 Sov. Math., Dokl. 44, No. 1, 200-205 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 792-797 (1991). Reviewer: F.Brauer (Madison) MSC: 34A25 34A30 PDF BibTeX XML Cite \textit{V. A. Vinokurov}, Sov. Math., Dokl. 44, No. 1, 200--205 (1991; Zbl 0772.34012); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 792--797 (1991)
Varshamov, R. R. On a method in the theory of reducibility of polynomials over a finite field. (English. Russian original) Zbl 0774.11072 Sov. Math., Dokl. 44, No. 1, 194-199 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 787-791 (1991). Reviewer: D.Ştefănescu (Bucureşti) MSC: 11T06 11T55 12E05 PDF BibTeX XML Cite \textit{R. R. Varshamov}, Sov. Math., Dokl. 44, No. 1, 194--199 (1991; Zbl 0774.11072); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 787--791 (1991)
Bojmatov, K. Kh. The asymptotic distribution of the eigenvalues of nonlinear pencils of pseudodifferential operators. (English. Russian original) Zbl 0808.47008 Sov. Math., Dokl. 44, No. 1, 187-193 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 781-786 (1991). Reviewer: A.Pankov (Vinnitsa) MSC: 47A56 PDF BibTeX XML Cite \textit{K. Kh. Bojmatov}, Sov. Math., Dokl. 44, No. 1, 187--193 (1991; Zbl 0808.47008); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 781--786 (1991)
Bozhinov, N. S. A necessary and sufficient condition for recovery of functions from their coefficients in the root expansion of the nonlocal Sturm-Liouville operator. (English. Russian original) Zbl 0771.34013 Sov. Math., Dokl. 44, No. 1, 183-186 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 777-780 (1991). Reviewer: J.Appell (Würzburg) MSC: 34A55 34B24 41A27 PDF BibTeX XML Cite \textit{N. S. Bozhinov}, Sov. Math., Dokl. 44, No. 1, 183--186 (1991; Zbl 0771.34013); translation from Dokl. Akad. Nauk SSSR 319, No. 4, 777--780 (1991)
Filippov, V. T. On local finiteness of Malcev algebras. (English. Russian original) Zbl 0851.17034 Sov. Math., Dokl. 44, No. 1, 179-182 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 574-577 (1991). MSC: 17D10 17B05 PDF BibTeX XML Cite \textit{V. T. Filippov}, Sov. Math., Dokl. 44, No. 1, 179--182 (1991; Zbl 0851.17034); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 574--577 (1991)
Tungatarov, A. On continuous solutions of the Carleman-Vekua equation with a singular point. (English. Russian original) Zbl 0789.35011 Sov. Math., Dokl. 44, No. 1, 175-178 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 570-573 (1991). MSC: 35A30 53C21 35Q15 PDF BibTeX XML Cite \textit{A. Tungatarov}, Sov. Math., Dokl. 44, No. 1, 175--178 (1991; Zbl 0789.35011); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 570--573 (1991)
Samko, S. G. On the denseness of the spaces \(\Phi V\) of Lizorkin type in the spaces \(L_{\bar p}(R^ n)\) with mixed norm. (English. Russian original) Zbl 0809.46024 Sov. Math., Dokl. 44, No. 1, 171-174 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 567-569 (1991). MSC: 46E30 PDF BibTeX XML Cite \textit{S. G. Samko}, Sov. Math., Dokl. 44, No. 1, 171--174 (1991; Zbl 0809.46024); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 567--569 (1991)
Rybkin, A. V. The Stieltjes \(B\)-integral and the integration of spectral decompositions for some classes of contraction operators. (English. Russian original) Zbl 0833.47006 Sov. Math., Dokl. 44, No. 1, 166-170 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 562-566 (1991). MSC: 47A45 46G10 47A60 PDF BibTeX XML Cite \textit{A. V. Rybkin}, Sov. Math., Dokl. 44, No. 1, 166--170 (1991; Zbl 0833.47006); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 562--566 (1991)
Matvejchuk, M. S. A description of indefinite measures in \(W^* J\)-factors. (English. Russian original) Zbl 0809.46041 Sov. Math., Dokl. 44, No. 1, 161-165 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 558-561 (1991). Reviewer: M.Abel (Tartu) MSC: 46H35 46H70 46L51 46L53 46L54 PDF BibTeX XML Cite \textit{M. S. Matvejchuk}, Sov. Math., Dokl. 44, No. 1, 161--165 (1991; Zbl 0809.46041); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 558--561 (1991)
Martynyuk, A. A. A new direction in the method of matrix Lyapunov functions. (English. Russian original) Zbl 0785.34036 Sov. Math., Dokl. 44, No. 1, 157-160 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 554-557 (1991). Reviewer: L.Hatvani (Szeged) MSC: 34D20 PDF BibTeX XML Cite \textit{A. A. Martynyuk}, Sov. Math., Dokl. 44, No. 1, 157--160 (1991; Zbl 0785.34036); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 554--557 (1991)
Malyshev, V. A. Differential inequalities: Imbedding theorems and approximation problems. (English. Russian original) Zbl 0776.35086 Sov. Math., Dokl. 44, No. 1, 153-156 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 550-553 (1991). Reviewer: S.Wedrychowicz (Rzeszów) MSC: 35R45 34A40 46E35 41A15 41A63 PDF BibTeX XML Cite \textit{V. A. Malyshev}, Sov. Math., Dokl. 44, No. 1, 153--156 (1991; Zbl 0776.35086); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 550--553 (1991)
Lisejkin, V. D. On a variational method of generating adaptive grids on \(n\)-dimensional surfaces. (English. Russian original) Zbl 0774.65078 Sov. Math., Dokl. 44, No. 1, 149-152 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 546-549 (1991). Reviewer: R.R.D.Lazarov (College Station) MSC: 65N50 PDF BibTeX XML Cite \textit{V. D. Lisejkin}, Sov. Math., Dokl. 44, No. 1, 149--152 (1991; Zbl 0774.65078); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 546--549 (1991)
Karatsuba, A. A. The distribution of values of Dirichlet characters on additive sequences. (English. Russian original) Zbl 0772.11028 Sov. Math., Dokl. 44, No. 1, 145-148 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 543-545 (1991). Reviewer: M.Jutila (Turku) MSC: 11L40 11N69 11B25 PDF BibTeX XML Cite \textit{A. A. Karatsuba}, Sov. Math., Dokl. 44, No. 1, 145--148 (1991; Zbl 0772.11028); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 543--545 (1991)
Il’in, V. A. A componentwise localization principle and componentwise equiconvergence with a trigonometric series for expansions in root vectors of the Schrödinger operator with a matrix potential. (English. Russian original) Zbl 0785.34053 Sov. Math., Dokl. 44, No. 1, 141-144 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 539-542 (1991). Reviewer: R.C.Gilbert (Fullerton) MSC: 34L10 34L40 PDF BibTeX XML Cite \textit{V. A. Il'in}, Sov. Math., Dokl. 44, No. 1, 141--144 (1991; Zbl 0785.34053); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 539--542 (1991)
Gerver, M. L. On the matrix \(F = \{ 1/[f_ i f_ j (f_ i + f_ j)]\}\). (English. Russian original) Zbl 0774.15014 Sov. Math., Dokl. 44, No. 1, 136-140 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 535-538 (1991). Reviewer: J.Zemánek (Warszawa) MSC: 15B57 86A15 PDF BibTeX XML Cite \textit{M. L. Gerver}, Sov. Math., Dokl. 44, No. 1, 136--140 (1991; Zbl 0774.15014); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 535--538 (1991)
Vertgeĭm, L. B. Integral geometry with a matrix weight, and a nonlinear problem of recovering matrices. (English. Russian original) Zbl 0767.53049 Sov. Math., Dokl. 44, No. 1, 132-135 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 531-534 (1991). MSC: 53C65 PDF BibTeX XML Cite \textit{L. B. Vertgeĭm}, Sov. Math., Dokl. 44, No. 1, 132--135 (1991; Zbl 0767.53049); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 531--534 (1991)
Budylin, A. M.; Buslaev, V. S. Quasiclassical integral equations. (English. Russian original) Zbl 0769.45009 Sov. Math., Dokl. 44, No. 1, 127-131 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 527-530 (1991). Reviewer: Hou Zongyi (Shanghai) MSC: 45P05 45E10 45M05 PDF BibTeX XML Cite \textit{A. M. Budylin} and \textit{V. S. Buslaev}, Sov. Math., Dokl. 44, No. 1, 127--131 (1991; Zbl 0769.45009); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 527--530 (1991)
Bel’skiĭ, V. G. A multigrid method for numerical solution of variational inequalities. (English. Russian original) Zbl 0768.65034 Sov. Math., Dokl. 44, No. 1, 123-126 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 523-526 (1991). Reviewer: Ll. G. Chambers (Bangor) MSC: 65K10 90C20 49J40 PDF BibTeX XML Cite \textit{V. G. Bel'skiĭ}, Sov. Math., Dokl. 44, No. 1, 123--126 (1991; Zbl 0768.65034); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 523--526 (1991)
Amirov, A. Kh.; Pashaev, R. T. An inverse problem for the wave equation. (English. Russian original) Zbl 0765.35058 Sov. Math., Dokl. 44, No. 1, 121-122 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 521-522 (1991). MSC: 35R30 35L20 PDF BibTeX XML Cite \textit{A. Kh. Amirov} and \textit{R. T. Pashaev}, Sov. Math., Dokl. 44, No. 1, 121--122 (1991; Zbl 0765.35058); translation from Dokl. Akad. Nauk SSSR 319, No. 3, 521--522 (1991)
Sychev, M. A. On a classical problem of the calculus of variations. (English. Russian original) Zbl 0774.49027 Sov. Math., Dokl. 44, No. 1, 116-120 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 292-294 (1991). Reviewer: J.-P.Raymond (Toulouse) MSC: 49N60 PDF BibTeX XML Cite \textit{M. A. Sychev}, Sov. Math., Dokl. 44, No. 1, 116--120 (1991; Zbl 0774.49027); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 292--294 (1991)
Ovcharenko, I. E. Some applications of the Chebyshev recursion. (English. Russian original) Zbl 0770.42017 Sov. Math., Dokl. 44, No. 1, 111-115 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 287-291 (1991). Reviewer: J.Musielak (Poznań) MSC: 42C10 46C05 35Q40 PDF BibTeX XML Cite \textit{I. E. Ovcharenko}, Sov. Math., Dokl. 44, No. 1, 111--115 (1991; Zbl 0770.42017); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 287--291 (1991)
Nguyên Thị Thiêu Hoa The Taylor trigonometric formula, a trigonometric analogue of the Sobolev classes, and trigonometric splines. (English. Russian original) Zbl 0768.42003 Sov. Math., Dokl. 44, No. 1, 106-110 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 283-286 (1991). MSC: 42A10 42B99 41A58 41A63 PDF BibTeX XML Cite \textit{Nguyên Thị Thiêu Hoa}, Sov. Math., Dokl. 44, No. 1, 106--110 (1991; Zbl 0768.42003); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 283--286 (1991)
Lyashenko, A. A. On completeness of a system of generalized eigenfunctions of an operator generated by the first boundary value problem for an equation of S. L. Sobolev. (English. Russian original) Zbl 0774.35049 Sov. Math., Dokl. 44, No. 1, 100-105 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 278-282 (1991). Reviewer: M.Kučera (Praha) MSC: 35P10 35Q40 PDF BibTeX XML Cite \textit{A. A. Lyashenko}, Sov. Math., Dokl. 44, No. 1, 100--105 (1991; Zbl 0774.35049); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 278--282 (1991)
Vasil’chik, M. Yu. On traces of functions from a Sobolev space defined in a plane domain with non-Lipschitz boundary. (English. Russian original) Zbl 0798.46028 Sov. Math., Dokl. 44, No. 1, 96-99 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 275-277 (1991). Reviewer: S.G.Samko (Rostov-na-Donu) MSC: 46E35 PDF BibTeX XML Cite \textit{M. Yu. Vasil'chik}, Sov. Math., Dokl. 44, No. 1, 96--99 (1991; Zbl 0798.46028); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 275--277 (1991)
Bulavskij, Yu. V. A general scheme for constructing randomized methods of solution for integral equations. (English. Russian original) Zbl 0769.45007 Sov. Math., Dokl. 44, No. 1, 92-95 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 271-274 (1991). Reviewer: Hou Zongyi (Shanghai) MSC: 45L05 45A05 65C05 PDF BibTeX XML Cite \textit{Yu. V. Bulavskij}, Sov. Math., Dokl. 44, No. 1, 92--95 (1991; Zbl 0769.45007); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 271--274 (1991)
Balashova, G. S. Extension and imbedding theorems for Sobolev spaces of infinite order. (English. Russian original) Zbl 0798.46020 Sov. Math., Dokl. 44, No. 1, 88-91 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 267-270 (1991). Reviewer: S.G.Samko (Rostov-na-Donu) MSC: 46E35 PDF BibTeX XML Cite \textit{G. S. Balashova}, Sov. Math., Dokl. 44, No. 1, 88--91 (1991; Zbl 0798.46020); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 267--270 (1991)
Amirov, R. Kh. A multidimensional inverse problem for a hyperbolic equation, and a spectral problem connected with it. (English. Russian original) Zbl 0765.35059 Sov. Math., Dokl. 44, No. 1, 86-87 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 265-266 (1991). MSC: 35R30 35L20 PDF BibTeX XML Cite \textit{R. Kh. Amirov}, Sov. Math., Dokl. 44, No. 1, 86--87 (1991; Zbl 0765.35059); translation from Dokl. Akad. Nauk SSSR 319, No. 2, 265--266 (1991)
Fursikov, A. V. The problem of closure of chains of moment equations corresponding to the three-dimensional Navier-Stokes system in the case of large Reynolds numbers. (English. Russian original) Zbl 0789.35131 Sov. Math., Dokl. 44, No. 1, 80-85 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 83-87 (1991). MSC: 35Q30 76D05 PDF BibTeX XML Cite \textit{A. V. Fursikov}, Sov. Math., Dokl. 44, No. 1, 80--85 (1991; Zbl 0789.35131); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 83--87 (1991)
Pham Hũ’u Tiêp A reduction theorem for invariant lattices of type \(A_ n\). (English. Russian original) Zbl 0779.17007 Sov. Math., Dokl. 44, No. 1, 75-79 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 78-82 (1991). Reviewer: K.Riives (Tartu) MSC: 17B20 17B40 PDF BibTeX XML Cite \textit{Pham Hũ'u Tiêp}, Sov. Math., Dokl. 44, No. 1, 75--79 (1991; Zbl 0779.17007); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 78--82 (1991)
Tolstykh, A. I. On a class of noncentered compact difference schemes of fifth order, based on Padé approximants. (English. Russian original) Zbl 0772.65070 Sov. Math., Dokl. 44, No. 1, 69-74 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 72-77 (1991); corrections ibid. 45, No. 1, ix (1992). Reviewer: M.Jung (Chemnitz) MSC: 65N06 65N12 35J25 PDF BibTeX XML Cite \textit{A. I. Tolstykh}, Sov. Math., Dokl. 44, No. 1, 69--74 (1991; Zbl 0772.65070); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 72--77 (1991); corrections ibid. 45, No. 1, ix (1991)
Skrypnik, I. V. Regularity of a boundary point for a quasilinear parabolic equation. (English. Russian original) Zbl 0789.35080 Sov. Math., Dokl. 44, No. 1, 64-68 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 68-71 (1991). MSC: 35K55 35K20 35B65 PDF BibTeX XML Cite \textit{I. V. Skrypnik}, Sov. Math., Dokl. 44, No. 1, 64--68 (1991; Zbl 0789.35080); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 68--71 (1991)
Samojlenko, A. M.; Ilolov, M. On the theory of evolution equations inhomogeneous in time and with impulsive actions. (English. Russian original) Zbl 0772.34014 Sov. Math., Dokl. 44, No. 1, 59-63 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 63-67 (1991). Reviewer: S.I.Trofimchuk (Kiev) MSC: 34A37 PDF BibTeX XML Cite \textit{A. M. Samojlenko} and \textit{M. Ilolov}, Sov. Math., Dokl. 44, No. 1, 59--63 (1991; Zbl 0772.34014); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 63--67 (1991)
Sadovnichij, V. A.; Dubrovskij, V. V. A classical regularized trace formula for the eigenvalues of the Laplace- Beltrami operator with a potential on the sphere \(S^ 2\). (English. Russian original) Zbl 0789.35129 Sov. Math., Dokl. 44, No. 1, 56-58 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 61-62 (1991). MSC: 35P99 35J05 47F05 35R30 PDF BibTeX XML Cite \textit{V. A. Sadovnichij} and \textit{V. V. Dubrovskij}, Sov. Math., Dokl. 44, No. 1, 56--58 (1991; Zbl 0789.35129); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 61--62 (1991)
Omarov, A. I. A syntactical description of filtering formulas. (English. Russian original) Zbl 0790.03033 Sov. Math., Dokl. 44, No. 1, 53-55 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 58-60 (1991). Reviewer: A.Ryaskin (Novosibirsk) MSC: 03C20 PDF BibTeX XML Cite \textit{A. I. Omarov}, Sov. Math., Dokl. 44, No. 1, 53--55 (1991; Zbl 0790.03033); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 58--60 (1991)
Nikol’skij, S. M. Approximation of functions of Besov class on a manifold by entire functions of exponential type. (English. Russian original) Zbl 0774.41036 Sov. Math., Dokl. 44, No. 1, 47-52 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 53-57 (1991). Reviewer: Zhang Ganglu (Dongying) MSC: 41A65 PDF BibTeX XML Cite \textit{S. M. Nikol'skij}, Sov. Math., Dokl. 44, No. 1, 47--52 (1991; Zbl 0774.41036); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 53--57 (1991)
Mikhajlov, L. G. On some singular partial differential equations. (English. Russian original) Zbl 0789.35045 Sov. Math., Dokl. 44, No. 1, 40-46 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 46-52 (1991). MSC: 35J15 35C10 45P05 PDF BibTeX XML Cite \textit{L. G. Mikhajlov}, Sov. Math., Dokl. 44, No. 1, 40--46 (1991; Zbl 0789.35045); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 46--52 (1991)
Krotov, V. G. A sharp estimate of the boundary behavior of functions in the Hardy- Sobolev classes \(H_ \alpha^ p(B^ n)\) in the critical case \(\alpha p=n\). (English. Russian original) Zbl 0793.32004 Sov. Math., Dokl. 44, No. 1, 36-39 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 42-45 (1991). Reviewer: P.Z.Agranovich (Khar’kov) MSC: 32A35 32A40 46J15 PDF BibTeX XML Cite \textit{V. G. Krotov}, Sov. Math., Dokl. 44, No. 1, 36--39 (1991; Zbl 0793.32004); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 42--45 (1991)
Kostin, V. A. On exactly uniformly well-posed solvability of the Cauchy problem. (English. Russian original) Zbl 0789.35033 Sov. Math., Dokl. 44, No. 1, 32-35 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 38-41 (1991). MSC: 35E15 35L30 PDF BibTeX XML Cite \textit{V. A. Kostin}, Sov. Math., Dokl. 44, No. 1, 32--35 (1991; Zbl 0789.35033); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 38--41 (1991)
Dzhuraev, A. On the statement of space elliptic boundary value problems for systems. (English. Russian original) Zbl 0789.35051 Sov. Math., Dokl. 44, No. 1, 26-31 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 33-37 (1991). MSC: 35J55 45B05 PDF BibTeX XML Cite \textit{A. Dzhuraev}, Sov. Math., Dokl. 44, No. 1, 26--31 (1991; Zbl 0789.35051); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 33--37 (1991)
Gurvich, V. A.; Libkin, L. O. Quasiconvex analysis on semilattices, and absolutely determined matrices. (English. Russian original) Zbl 0777.90084 Sov. Math., Dokl. 44, No. 1, 20-25 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 27-32 (1991). MSC: 91A05 15A99 06A12 PDF BibTeX XML Cite \textit{V. A. Gurvich} and \textit{L. O. Libkin}, Sov. Math., Dokl. 44, No. 1, 20--25 (1991; Zbl 0777.90084); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 27--32 (1991)
Vlasov, V. V. On the solvability of a class of functional-differential equations on a semiaxis, and some spectral questions. (English. Russian original) Zbl 0848.34046 Sov. Math., Dokl. 44, No. 1, 14-19 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 22-26 (1991). Reviewer: M.Tvrdý (MR 92m:47156) MSC: 34K10 47N20 47A53 47G20 34K30 PDF BibTeX XML Cite \textit{V. V. Vlasov}, Sov. Math., Dokl. 44, No. 1, 14--19 (1991; Zbl 0848.34046); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 22--26 (1991)
Vakhrameev, S. A. The Lyusternik-Shnirel’man theory for transversally convex subsets of Hilbert manifolds, and its applications in optimal control theory. (English. Russian original) Zbl 0770.55005 Sov. Math., Dokl. 44, No. 1, 10-13 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 18-21 (1991). MSC: 55M99 34H05 PDF BibTeX XML Cite \textit{S. A. Vakhrameev}, Sov. Math., Dokl. 44, No. 1, 10--13 (1991; Zbl 0770.55005); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 18--21 (1991)
Bakhvalov, N. S.; Knyazev, A. V. An efficient iterative method for solving the Lamé equations for almost incompressible media and Stokes’ equations. (English. Russian original) Zbl 0779.76016 Sov. Math., Dokl. 44, No. 1, 4-9 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 13-17 (1991). Reviewer: V.A.Sava (Iaşi) MSC: 76D07 76N10 35Q30 PDF BibTeX XML Cite \textit{N. S. Bakhvalov} and \textit{A. V. Knyazev}, Sov. Math., Dokl. 44, No. 1, 4--9 (1991; Zbl 0779.76016); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 13--17 (1991)
Basalikas, A. Limit theorems for random polynomial forms. (English. Russian original) Zbl 0776.60023 Sov. Math., Dokl. 44, No. 1, 1-3 (1992); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 11-12 (1991). Reviewer: V.Sakalauskas (Kaunas) MSC: 60F05 PDF BibTeX XML Cite \textit{A. Basalikas}, Sov. Math., Dokl. 44, No. 1, 1--3 (1991; Zbl 0776.60023); translation from Dokl. Akad. Nauk SSSR 319, No. 1, 11--12 (1991)