Shcherbina, N. V. On the polynomial hull of a two-dimensional sphere in \(\mathbb{C}^ 2\). (English. Russian original) Zbl 0814.32001 Sov. Math., Dokl. 43, No. 2, 628-632 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1315-1319 (1991). Reviewer: Toma Tonev (Missoula) MSC: 32E20 PDFBibTeX XMLCite \textit{N. V. Shcherbina}, Sov. Math., Dokl. 43, No. 2, 628--632 (1991; Zbl 0814.32001); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1315--1319 (1991)
Bronshtejn, M. D.; Cherevatskij, A. S. A variational method of solving boundary value problems for ordinary differential equations. (English. Russian original) Zbl 0770.34020 Sov. Math., Dokl. 43, No. 2, 572-575 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1037-1041 (1991). Reviewer: M.Goebel (Halle) MSC: 34B15 PDFBibTeX XMLCite \textit{M. D. Bronshtejn} and \textit{A. S. Cherevatskij}, Sov. Math., Dokl. 43, No. 2, 572--575 (1991; Zbl 0770.34020); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1037--1041 (1991)
Derkach, V. A. On generalized resolvents of a class of Hermitian operators in a Krein space. (English. Russian original) Zbl 0895.47025 Sov. Math., Dokl. 43, No. 2, 519-524 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 807-812 (1991). MSC: 47B50 47A10 47B15 47A57 PDFBibTeX XMLCite \textit{V. A. Derkach}, Sov. Math., Dokl. 43, No. 2, 519--524 (1991; Zbl 0895.47025); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 807--812 (1991)
Vu Kim Tuan; Nguyen Thanh Hai On a class of multidimensional Watson integral transforms. (English. Russian original) Zbl 0778.44004 Sov. Math., Dokl. 43, No. 2, 508-510 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 797-800 (1991). Reviewer: H.-J.Glaeske (Jena) MSC: 44A30 44A15 PDFBibTeX XMLCite \textit{Vu Kim Tuan} and \textit{Nguyen Thanh Hai}, Sov. Math., Dokl. 43, No. 2, 508--510 (1991; Zbl 0778.44004); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 797--800 (1991)
Berest, Yu. Yu. Construction of fundamental solutions for Huygens’ equations as invariant solutions. (English. Russian original) Zbl 0789.35093 Sov. Math., Dokl. 43, No. 2, 496-499 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 786-789 (1991). Reviewer: K.Kajitani (Ibaraki) MSC: 35L15 35A30 35C05 PDFBibTeX XMLCite \textit{Yu. Yu. Berest}, Sov. Math., Dokl. 43, No. 2, 496--499 (1991; Zbl 0789.35093); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 786--789 (1991)
Tolstonogov, A. A. Extremal selections of multivalued mappings and the ”bang-bang” principle for evolution inclusions. (English. Russian original) Zbl 0784.54024 Sov. Math., Dokl. 43, No. 2, 481-485 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 589-593 (1991). Reviewer: K.Nikodem (Bielsko-Biała) MSC: 54C65 34A60 54C60 49J30 PDFBibTeX XMLCite \textit{A. A. Tolstonogov}, Sov. Math., Dokl. 43, No. 2, 481--485 (1991; Zbl 0784.54024); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 589--593 (1991)
Tersenov, S. A. On the first boundary value problem for a direct-inverse parabolic equation. (English. Russian original) Zbl 0782.35083 Sov. Math., Dokl. 43, No. 2, 476-480 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 584-588 (1991). Reviewer: Dang Dinh Ang (Ho Chi Minh City) MSC: 35R25 35K65 35K20 35B65 35B45 PDFBibTeX XMLCite \textit{S. A. Tersenov}, Sov. Math., Dokl. 43, No. 2, 476--480 (1991; Zbl 0782.35083); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 584--588 (1991)
Serov, V. S. On recovering the potential in a three-dimensional problem of scattering theory. (English. Russian original) Zbl 0780.35113 Sov. Math., Dokl. 43, No. 2, 471-475 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 579-583 (1991). MSC: 35R30 35P25 81U40 PDFBibTeX XMLCite \textit{V. S. Serov}, Sov. Math., Dokl. 43, No. 2, 471--475 (1991; Zbl 0780.35113); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 579--583 (1991)
Pospelov, A. S. Some estimates of the Gibbs function for partial sums of Fourier series in \(\Lambda\)-multiplicative systems. (English. Russian original) Zbl 0765.42017 Sov. Math., Dokl. 43, No. 2, 464-466 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 573-575 (1991). Reviewer: F.Móricz (Szeged) MSC: 42C10 PDFBibTeX XMLCite \textit{A. S. Pospelov}, Sov. Math., Dokl. 43, No. 2, 464--466 (1991; Zbl 0765.42017); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 573--575 (1991)
Pletner, Yu. D. On some properties of solutions of the equation for gravitational- gyroscopic waves. (English. Russian original) Zbl 0778.76013 Sov. Math., Dokl. 43, No. 2, 461-463 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 570-572 (1991). MSC: 76B15 76U05 76V05 30G20 PDFBibTeX XMLCite \textit{Yu. D. Pletner}, Sov. Math., Dokl. 43, No. 2, 461--463 (1991; Zbl 0778.76013); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 570--572 (1991)
Pestov, V. G. Nonstandard hulls of normed Grassmann algebras and their applications in superanalysis. (English. Russian original) Zbl 0778.58009 Sov. Math., Dokl. 43, No. 2, 456-460 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 565-569 (1991). Reviewer: H.Schröder (Dortmund) MSC: 58C50 46S20 16W55 03H05 PDFBibTeX XMLCite \textit{V. G. Pestov}, Sov. Math., Dokl. 43, No. 2, 456--460 (1991; Zbl 0778.58009); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 565--569 (1991)
Lerner, M. E. On the formulation and solvability of a class of boundary value problems for the Lavrent’ev-Bitsadze equation. (English. Russian original) Zbl 0774.35045 Sov. Math., Dokl. 43, No. 2, 451-455 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 561-565 (1991). Reviewer: A.Doktor (Praha) MSC: 35M10 35L80 PDFBibTeX XMLCite \textit{M. E. Lerner}, Sov. Math., Dokl. 43, No. 2, 451--455 (1991; Zbl 0774.35045); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 561--565 (1991)
Zakharevich, I. S. Spectral problems for the Sturm-Liouville equation with a parameter. Geometry of finite-gap potentials. (English. Russian original) Zbl 0791.34065 Sov. Math., Dokl. 43, No. 2, 439-444 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 550-554 (1991). Reviewer: Y.P.Mishev (Sofia) MSC: 34L25 34B24 34L05 53A99 PDFBibTeX XMLCite \textit{I. S. Zakharevich}, Sov. Math., Dokl. 43, No. 2, 439--444 (1991; Zbl 0791.34065); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 550--554 (1991)
Zhuravlev, I. V. Recovery of a mapping from the normalized Jacobi matrix. (English. Russian original) Zbl 0778.30023 Sov. Math., Dokl. 43, No. 2, 435-438 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 546-549 (1991). Reviewer: P.Caraman (Iaşi) MSC: 30C65 35N99 PDFBibTeX XMLCite \textit{I. V. Zhuravlev}, Sov. Math., Dokl. 43, No. 2, 435--438 (1991; Zbl 0778.30023); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 546--549 (1991)
Zhidkov, P. E. On an invariant measure for a nonlinear Schrödinger equation. (English. Russian original) Zbl 0806.35168 Sov. Math., Dokl. 43, No. 2, 431-434 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 543-546 (1991). Reviewer: S.Kichenassamy (Minneapolis) MSC: 35Q55 37A99 28D05 PDFBibTeX XMLCite \textit{P. E. Zhidkov}, Sov. Math., Dokl. 43, No. 2, 431--434 (1991; Zbl 0806.35168); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 543--546 (1991)
Gadzhiev, A. G. Control of queueing systems in a class of delays. (English. Russian original) Zbl 0765.60096 Sov. Math., Dokl. 43, No. 2, 427-430 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 540-543 (1991). Reviewer: P.R.Parthasarathy (Madras) MSC: 60K25 90B22 PDFBibTeX XMLCite \textit{A. G. Gadzhiev}, Sov. Math., Dokl. 43, No. 2, 427--430 (1991; Zbl 0765.60096); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 540--543 (1991)
Bojmatov, K. Kh. Spectral asymptotics of nonselfadjoint pseudodifferential operators in bounded domains. (English. Russian original) Zbl 0782.35088 Sov. Math., Dokl. 43, No. 2, 416-421 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 530-534 (1991). Reviewer: V.Iftimie (Bucureşti) MSC: 35S05 35P20 47G30 47A10 PDFBibTeX XMLCite \textit{K. Kh. Bojmatov}, Sov. Math., Dokl. 43, No. 2, 416--421 (1991; Zbl 0782.35088); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 530--534 (1991)
Balaev, M. K. On well-posed solvability of differential-operator equations of arbitrary order. (English. Russian original) Zbl 0757.34047 Sov. Math., Dokl. 43, No. 2, 411-415 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 526-529 (1991). Reviewer: Yu.S.Eidel’man (Voronezh) MSC: 34G10 35K20 47A50 PDFBibTeX XMLCite \textit{M. K. Balaev}, Sov. Math., Dokl. 43, No. 2, 411--415 (1991; Zbl 0757.34047); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 526--529 (1991)
Almamedov, M. S.; Bajramogly, M.; Katanova, V. I. Trace formulas for a differential equation of even order with unbounded operator coefficient. (English. Russian original) Zbl 0765.34059 Sov. Math., Dokl. 43, No. 2, 406-410 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 521-525 (1991). Reviewer: G.Moroşanu (Iaşi) MSC: 34L05 47E05 47A75 PDFBibTeX XMLCite \textit{M. S. Almamedov} et al., Sov. Math., Dokl. 43, No. 2, 406--410 (1991; Zbl 0765.34059); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 521--525 (1991)
Sandrakov, G. V. On a problem of H. Poincaré. (English. Russian original) Zbl 0778.34025 Sov. Math., Dokl. 43, No. 2, 402-405 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 316-319 (1991). Reviewer: A.Steindl (Wien) MSC: 34C23 34C25 34C29 34E05 PDFBibTeX XMLCite \textit{G. V. Sandrakov}, Sov. Math., Dokl. 43, No. 2, 402--405 (1991; Zbl 0778.34025); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 316--319 (1991)
Pokotilo, V. G. Optimization of a priori observations. (English. Russian original) Zbl 0777.49020 Sov. Math., Dokl. 43, No. 2, 398-401 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 312-315 (1991). MSC: 49J55 49J52 93E10 PDFBibTeX XMLCite \textit{V. G. Pokotilo}, Sov. Math., Dokl. 43, No. 2, 398--401 (1991; Zbl 0777.49020); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 312--315 (1991)
Pavičević, Žarko Carleson measure, the Ahlfors-Shimizu characteristic, and the classes BMO and BMOA. (English. Russian original) Zbl 0778.30035 Sov. Math., Dokl. 43, No. 2, 394-397 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 309-312 (1991). Reviewer: V.V.Peller (St.Petersburg) MSC: 30D55 PDFBibTeX XMLCite \textit{Ž. Pavičević}, Sov. Math., Dokl. 43, No. 2, 394--397 (1991; Zbl 0778.30035); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 309--312 (1991)
Mel’nik, V. S. On some properties of solutions of operator equations and variational inequalities. (English. Russian original) Zbl 0782.47051 Sov. Math., Dokl. 43, No. 2, 388-393 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 304-308 (1991). Reviewer: V.Mustonen (Oulu) MSC: 47J05 47J20 58E35 PDFBibTeX XMLCite \textit{V. S. Mel'nik}, Sov. Math., Dokl. 43, No. 2, 388--393 (1991; Zbl 0782.47051); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 304--308 (1991)
Liskovets, O. A. Regularization of ill-posed mixed variational inequalities. (English. Russian original) Zbl 0768.49007 Sov. Math., Dokl. 43, No. 2, 384-387 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 300-304 (1991). Reviewer: M.Fuchs (Darmstadt) MSC: 49J40 49J27 58E35 PDFBibTeX XMLCite \textit{O. A. Liskovets}, Sov. Math., Dokl. 43, No. 2, 384--387 (1991; Zbl 0768.49007); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 300--304 (1991)
Labudović, N.; Pavičević, Ž. Hyperbolic Bloch functions. (English. Russian original) Zbl 0778.30034 Sov. Math., Dokl. 43, No. 2, 380-383 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 297-300 (1991). Reviewer: S.Dragosh (East Lansing) MSC: 30D45 30D35 PDFBibTeX XMLCite \textit{N. Labudović} and \textit{Ž. Pavičević}, Sov. Math., Dokl. 43, No. 2, 380--383 (1991; Zbl 0778.30034); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 297--300 (1991)
Kucherov, A. B. A fast iterative method for solving in real arithmetic a system of linear equations with a complex symmetric matrix. (English. Russian original) Zbl 0778.65022 Sov. Math., Dokl. 43, No. 2, 377-379 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 294-296 (1991). Reviewer: F.Szidarovszky (Tucson) MSC: 65F10 65E05 PDFBibTeX XMLCite \textit{A. B. Kucherov}, Sov. Math., Dokl. 43, No. 2, 377--379 (1991; Zbl 0778.65022); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 294--296 (1991)
Kochergin, V. V. On the complexity of computations in finite Abelian groups. (English. Russian original) Zbl 0756.20009 Sov. Math., Dokl. 43, No. 2, 374-376 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 291-294 (1991). Reviewer: S.R.Kogalovskij (Ivanovo) MSC: 20K01 11N45 03D15 20-04 68Q15 PDFBibTeX XMLCite \textit{V. V. Kochergin}, Sov. Math., Dokl. 43, No. 2, 374--376 (1991; Zbl 0756.20009); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 291--294 (1991)
Kosmodem’yanskij, A. A. jun. A theorem on representation of the solution of the second boundary value problem. (English. Russian original) Zbl 0784.35014 Sov. Math., Dokl. 43, No. 2, 371-373 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 288-291 (1991). MSC: 35C15 35J25 PDFBibTeX XMLCite \textit{A. A. Kosmodem'yanskij jun.}, Sov. Math., Dokl. 43, No. 2, 371--373 (1991; Zbl 0784.35014); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 288--291 (1991)
Vinogradov, M. M. On a general algebraic theory of linear differential operators. I. (English. Russian original) Zbl 0780.47037 Sov. Math., Dokl. 43, No. 2, 355-359 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 275-279 (1991). Reviewer: A.Pryde (Clayton) MSC: 47F05 47B47 35S99 PDFBibTeX XMLCite \textit{M. M. Vinogradov}, Sov. Math., Dokl. 43, No. 2, 355--359 (1991; Zbl 0780.47037); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 275--279 (1991)
Bojmatov, K. Kh. Multidimensional distribution functions for degenerate elliptic operators. (English. Russian original) Zbl 0780.47035 Sov. Math., Dokl. 43, No. 2, 350-354 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 271-275 (1991). Reviewer: A.Pryde (Clayton) MSC: 47F05 35J70 40E05 PDFBibTeX XMLCite \textit{K. Kh. Bojmatov}, Sov. Math., Dokl. 43, No. 2, 350--354 (1991; Zbl 0780.47035); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 271--275 (1991)
Bobylev, N. A.; Burman, Yu. M. Morse lemmas for integral functionals. (English. Russian original) Zbl 0778.58012 Sov. Math., Dokl. 43, No. 2, 345-349 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 267-270 (1991). Reviewer: N.Papaghiuc (Iaşi) MSC: 58E05 49N99 PDFBibTeX XMLCite \textit{N. A. Bobylev} and \textit{Yu. M. Burman}, Sov. Math., Dokl. 43, No. 2, 345--349 (1991; Zbl 0778.58012); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 267--270 (1991)
Barskij, I. L. On the behavior of the spectrum of certain linear multipoint boundary value problems for ordinary differential equations. (English. Russian original) Zbl 0778.34064 Sov. Math., Dokl. 43, No. 2, 342-344 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 265-266 (1991). Reviewer: M.Švec (Bratislava) MSC: 34L15 34B10 PDFBibTeX XMLCite \textit{I. L. Barskij}, Sov. Math., Dokl. 43, No. 2, 342--344 (1991; Zbl 0778.34064); translation from Dokl. Akad. Nauk SSSR 317, No. 2, 265--266 (1991)
Sternin, B. Yu.; Shatalov, V. E. On a formula for the asymptotic expansion of an integral in complex analysis. (English. Russian original) Zbl 0753.30027 Sov. Math., Dokl. 43, No. 2, 624-627 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1311-1314 (1991). Reviewer: J.Chrastina (Brno) MSC: 30E15 41A60 PDFBibTeX XMLCite \textit{B. Yu. Sternin} and \textit{V. E. Shatalov}, Sov. Math., Dokl. 43, No. 2, 624--627 (1991; Zbl 0753.30027); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1311--1314 (1991)
Stepanov, V. D. On integral operators on the cone of monotone functions, and on imbeddings of Lorentz spaces. (English. Russian original) Zbl 0749.46016 Sov. Math., Dokl. 43, No. 2, 620-623 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1308-1311 (1991). Reviewer: D.S.Kurtz (Las Cruces) MSC: 46E30 47B38 47G10 PDFBibTeX XMLCite \textit{V. D. Stepanov}, Sov. Math., Dokl. 43, No. 2, 620--623 (1991; Zbl 0749.46016); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1308--1311 (1991)
Nguyêñ Hôǹg Thái The theory of semimodules of infrasemiunits in ideal spaces of vector- valued functions, and its applications to integral operators. (English. Russian original) Zbl 0752.46020 Sov. Math., Dokl. 43, No. 2, 615-619 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1303-1307 (1991). Reviewer: J.Appell (Würzburg) MSC: 46E40 46E30 46A40 47B38 47G10 PDFBibTeX XMLCite \textit{Nguyêñ Hôǹg Thái}, Sov. Math., Dokl. 43, No. 2, 615--619 (1991; Zbl 0752.46020); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1303--1307 (1991)
Zubov, V. I. The structure of the topological transformation determined by a system of differential equations. (English. Russian original) Zbl 0751.34006 Sov. Math., Dokl. 43, No. 2, 610-614 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1298-1303 (1991). Reviewer: F.Rühs (Freiberg) MSC: 34A25 34A30 PDFBibTeX XMLCite \textit{V. I. Zubov}, Sov. Math., Dokl. 43, No. 2, 610--614 (1991; Zbl 0751.34006); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1298--1303 (1991)
Dzhuraev, A. On the theory of elliptic systems in multiply connected domains in the plane. (English. Russian original) Zbl 0771.35018 Sov. Math. Dokl. 43, No. 2, 606-609 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1294-1297 (1991). Reviewer: R.Leis (Bonn) MSC: 35J55 30E25 PDFBibTeX XMLCite \textit{A. Dzhuraev}, Sov. Math., Dokl. 43, No. 2, 606--609 (1991; Zbl 0771.35018); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1294--1297 (1991)
Beklaryan, L. A. An optimal control problem for systems with deviating argument, and its connection with the finitely generated group of homeomorphisms of \(R\) generated by the deviation functions. (English. Russian original) Zbl 0752.34042 Sov. Math., Dokl. 43, No. 2, 600-605 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1289-1294 (1991). Reviewer: S.P.Banks (Sheffield) MSC: 34K35 49K27 PDFBibTeX XMLCite \textit{L. A. Beklaryan}, Sov. Math., Dokl. 43, No. 2, 600--605 (1991; Zbl 0752.34042); translation from Dokl. Akad. Nauk SSSR 317, No. 6, 1289--1294 (1991)
Salakhitdinov, M. S.; Urinov, A. K. Problems of Bitsadze-Samarskij type for an equation of mixed type. (English. Russian original) Zbl 0781.35041 Sov. Math., Dokl. 43, No. 2, 595-599 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1058-1061 (1991). Reviewer: K.Hardenberg (Braunschweig) MSC: 35M10 35J70 35C15 35B50 PDFBibTeX XMLCite \textit{M. S. Salakhitdinov} and \textit{A. K. Urinov}, Sov. Math., Dokl. 43, No. 2, 595--599 (1991; Zbl 0781.35041); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1058--1061 (1991)
Martynyuk, A. A. On boundedness of solutions of nonlinear systems with small perturbations. (English. Russian original) Zbl 0753.34021 Sov. Math., Dokl. 43, No. 2, 591-594 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1055-1058 (1991). Reviewer: Yu.V.Rogovchenko (Kiev) MSC: 34C11 34D10 PDFBibTeX XMLCite \textit{A. A. Martynyuk}, Sov. Math., Dokl. 43, No. 2, 591--594 (1991; Zbl 0753.34021); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1055--1058 (1991)
Karatsuba, A. A. Zeros of linear combinations of \(Z\)-functions corresponding to Dirichlet series. (English. Russian original) Zbl 0752.11034 Sov. Math., Dokl. 43, No. 2, 589-590 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1053-1054 (1991). Reviewer: A.Ivić (Beograd) MSC: 11M26 PDFBibTeX XMLCite \textit{A. A. Karatsuba}, Sov. Math., Dokl. 43, No. 2, 589--590 (1991; Zbl 0752.11034); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1053--1054 (1991)
Kapustin, N. Yu.; Sabitov, K. B. On the solution of a problem in the theory of the Frankl’ problem for equations of mixed type. (English. Russian original) Zbl 0781.35039 Sov. Math., Dokl. 43, No. 2, 584-588 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1048-1052 (1991). Reviewer: K.Hardenberg (Braunschweig) MSC: 35M10 PDFBibTeX XMLCite \textit{N. Yu. Kapustin} and \textit{K. B. Sabitov}, Sov. Math., Dokl. 43, No. 2, 584--588 (1991; Zbl 0781.35039); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1048--1052 (1991)
Eremin, I. I. Symmetric duality for sequential linear programming problems. (English. Russian original) Zbl 0762.90047 Sov. Math., Dokl. 43, No. 2, 581-583 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1045-1048 (1991). Reviewer: A.Hoffmann (Ilmenau) MSC: 90C05 90C29 49N15 PDFBibTeX XMLCite \textit{I. I. Eremin}, Sov. Math., Dokl. 43, No. 2, 581--583 (1991; Zbl 0762.90047); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1045--1048 (1991)
Dzhuraev, A. On first-order elliptic systems with two variables that are degenerate on the boundary. (English. Russian original) Zbl 0776.35019 Sov. Math., Dokl. 43, No. 2, 576-580 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1041-1045 (1991). Reviewer: M.Čanak (Beograd) MSC: 35J70 35Q15 30E25 PDFBibTeX XMLCite \textit{A. Dzhuraev}, Sov. Math., Dokl. 43, No. 2, 576--580 (1991; Zbl 0776.35019); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1041--1045 (1991)
Beklaryan, L. A. On a method of regularization of boundary value problems for differential equations with deviating argument. (English. Russian original) Zbl 0752.34036 Sov. Math., Dokl. 43, No. 2, 567-571 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1033-1037 (1991). Reviewer: W.Šeda (Bratislava) MSC: 34K10 34K05 PDFBibTeX XMLCite \textit{L. A. Beklaryan}, Sov. Math., Dokl. 43, No. 2, 567--571 (1991; Zbl 0752.34036); translation from Dokl. Akad. Nauk SSSR 317, No. 5, 1033--1037 (1991)
Shishkin, G. I. A difference approximation of a singularly perturbed quasilinear elliptic equation degenerating into a first-order equation. (English. Russian original) Zbl 0773.35022 Sov. Math., Dokl. 43, No. 2, 562-566 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 845-849 (1991). MSC: 35J65 35J70 65M99 65N99 65M12 35B25 PDFBibTeX XMLCite \textit{G. I. Shishkin}, Sov. Math., Dokl. 43, No. 2, 562--566 (1991; Zbl 0773.35022); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 845--849 (1991)
Shirinbekov, M. On Hartogs’ theorem in classes of nonanalytic functions. (English. Russian original) Zbl 0749.32002 Sov. Math., Dokl. 43, No. 2, 556-561 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 840-844 (1991). Reviewer: A.Yu.Rashkovsky (Khar’kov) MSC: 32A30 30G20 35F99 32A17 PDFBibTeX XMLCite \textit{M. Shirinbekov}, Sov. Math., Dokl. 43, No. 2, 556--561 (1991; Zbl 0749.32002); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 840--844 (1991)
Popa, M. N. Application of invariant processes to the study of homogeneous linear partial integrals of a differential system. (English. Russian original) Zbl 0755.34008 Sov. Math., Dokl. 43, No. 2, 550-555 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 834-839 (1991). Reviewer: V.N.Gusyatnikova (Pereslavl-Zalessky) MSC: 34A25 34A34 34A05 53A45 53A55 PDFBibTeX XMLCite \textit{M. N. Popa}, Sov. Math., Dokl. 43, No. 2, 550--555 (1991; Zbl 0755.34008); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 834--839 (1991)
Nazaĭkinskiĭ, V. E.; Sternin, B. Yu.; Shatalov, V. E. On an application of the Maslov operator method to a diffraction problem. (English. Russian original) Zbl 0788.35024 Sov. Math., Dokl. 43, No. 2, 547-549 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 832-834 (1991). MSC: 35G10 78A45 78A05 PDFBibTeX XMLCite \textit{V. E. Nazaĭkinskiĭ} et al., Sov. Math., Dokl. 43, No. 2, 547--549 (1991; Zbl 0788.35024); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 832--834 (1991)
Mynbaev, K. T. Approximate solution of a Fredholm integral equation of the second kind in a multidimensional domain. (English. Russian original) Zbl 0751.65068 Sov. Math., Dokl. 43, No. 2, 543-546 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 829-832 (1991). Reviewer: D.A.Quinney (Keele) MSC: 65R20 45B05 PDFBibTeX XMLCite \textit{K. T. Mynbaev}, Sov. Math., Dokl. 43, No. 2, 543--546 (1991; Zbl 0751.65068); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 829--832 (1991)
Kuz’minykh, A. V. A continuous function whose graph intersects the graph of each polynomial in a set of cardinality of the continuum. (English. Russian original) Zbl 0754.26002 Sov. Math., Dokl. 43, No. 2, 540-542 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 826-828 (1991). Reviewer: J.Chrastina (Brno) MSC: 26A30 PDFBibTeX XMLCite \textit{A. V. Kuz'minykh}, Sov. Math., Dokl. 43, No. 2, 540--542 (1991; Zbl 0754.26002); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 826--828 (1991)
Kachurovskii, A. G. A fluctuation ergodic theorem. (English. Russian original) Zbl 0747.28009 Sov. Math., Dokl. 43, No. 2, 537-539 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 823-826 (1991). MSC: 28D05 28E05 03A05 PDFBibTeX XMLCite \textit{A. G. Kachurovskii}, Sov. Math., Dokl. 43, No. 2, 537--539 (1991; Zbl 0747.28009); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 823--826 (1991)
Dzhuraev, A. On a boundary value problem for the Moisil-Teodorescu system of equations. (English. Russian original) Zbl 0776.35050 Sov. Math., Dokl. 43, No. 2, 531-536 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 818-823 (1991). Reviewer: A.L.Edelson (Davis) MSC: 35Q15 30E25 PDFBibTeX XMLCite \textit{A. Dzhuraev}, Sov. Math., Dokl. 43, No. 2, 531--536 (1991; Zbl 0776.35050); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 818--823 (1991)
Dzhangibekov, G. A linear junction problem for solutions of elliptic systems of differential equations with singular coefficients in the plane. (English. Russian original) Zbl 0776.35049 Sov. Math., Dokl. 43, No. 2, 525-530 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 813-818 (1991). Reviewer: A.L.Edelson (Davis) MSC: 35Q15 30E25 45F15 PDFBibTeX XMLCite \textit{G. Dzhangibekov}, Sov. Math., Dokl. 43, No. 2, 525--530 (1991; Zbl 0776.35049); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 813--818 (1991)
Gulisashvili, A. B. The mean \(\varepsilon{}\)-dimension of function classes with spectra contained in a given set. (English. Russian original) Zbl 0782.46027 Sov. Math., Dokl. 43, No. 2, 514-518 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 803-807 (1991). Reviewer: M.Berkolajko (Voronezh) MSC: 46E30 41A46 54F45 PDFBibTeX XMLCite \textit{A. B. Gulisashvili}, Sov. Math., Dokl. 43, No. 2, 514--518 (1991; Zbl 0782.46027); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 803--807 (1991)
Golovin, V. D. Homologically trivial spaces. (English. Russian original) Zbl 0765.32008 Sov. Math., Dokl. 43, No. 2, 511-513 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 800-802 (1991). Reviewer: P.Z.Agranovich (Khar’kov) MSC: 32C35 32C37 32C18 32E05 PDFBibTeX XMLCite \textit{V. D. Golovin}, Sov. Math., Dokl. 43, No. 2, 511--513 (1991; Zbl 0765.32008); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 800--802 (1991)
Varlamov, V. V. Asymptotic behavior of the energy for an integro-differential equation describing acoustic waves in a relaxation medium. (English. Russian original) Zbl 0752.45019 Sov. Math., Dokl. 43, No. 2, 503-507 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 792-797 (1991). Reviewer: M.Tarabek (Carbondale) MSC: 45K05 45M05 PDFBibTeX XMLCite \textit{V. V. Varlamov}, Sov. Math., Dokl. 43, No. 2, 503--507 (1991; Zbl 0752.45019); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 792--797 (1991)
Borsuk, M. V. Best-possible estimates of solutions of the Dirichlet problem for linear elliptic nondivergence equations of second order in a domain with a conical point. (English. Russian original) Zbl 0762.35028 Sov. Math., Dokl. 43, No. 2, 500-502 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 790-792 (1991). Reviewer: L.Jantscher (Goslar) MSC: 35J25 35B45 PDFBibTeX XMLCite \textit{M. V. Borsuk}, Sov. Math., Dokl. 43, No. 2, 500--502 (1991; Zbl 0762.35028); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 790--792 (1991)
Berezhnoj, E. I. Weighted inequalities of Hardy type in general ideal spaces. (English. Russian original) Zbl 0770.46008 Sov. Math., Dokl. 43, No. 2, 492-495 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 782-785 (1991). Reviewer: J.Appell (Würzburg) MSC: 46E30 PDFBibTeX XMLCite \textit{E. I. Berezhnoj}, Sov. Math., Dokl. 43, No. 2, 492--495 (1991; Zbl 0770.46008); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 782--785 (1991)
Almamedov, M. S.; Katanova, V. I. On regularization of the trace of a higher-order differential operator with a bounded operator coefficient. (English. Russian original) Zbl 0754.34083 Sov. Math., Dokl. 43, No. 2, 486-491 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 777-781 (1991). Reviewer: G.Moroşanu (Iaşi) MSC: 34L05 47E05 47A75 PDFBibTeX XMLCite \textit{M. S. Almamedov} and \textit{V. I. Katanova}, Sov. Math., Dokl. 43, No. 2, 486--491 (1991; Zbl 0754.34083); translation from Dokl. Akad. Nauk SSSR 317, No. 4, 777--781 (1991)
Sandrakov, G. V. Evolution of resonances under perturbation of a system with constant frequencies. (English. Russian original) Zbl 0782.70021 Sov. Math., Dokl. 43, No. 2, 467-470 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 576-579 (1991). MSC: 70K30 34C25 PDFBibTeX XMLCite \textit{G. V. Sandrakov}, Sov. Math., Dokl. 43, No. 2, 467--470 (1991; Zbl 0782.70021); translation from Dokl. Akad. Nauk SSSR 317, No. 3, 576--579 (1991)
Kudryavtsev, L. D. On estimating a function on an infinite interval. (English. Russian original) Zbl 0790.26002 Sov. Math., Dokl. 43, No. 2, 449-450 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 559-560 (1991). Reviewer: A.Precupanu (Iaşi) MSC: 26A12 26D10 PDFBibTeX XMLCite \textit{L. D. Kudryavtsev}, Sov. Math., Dokl. 43, No. 2, 449--450 (1991; Zbl 0790.26002); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 559--560 (1991)
Krygin, A. V.; Sukochev, F. A.; Chilin, V. I. Uniform convexity and local uniform convexity of symmetric spaces of measurable operators. (English. Russian original) Zbl 0780.46036 Sov. Math., Dokl. 43, No. 2, 445-448 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 555-558 (1991). Reviewer: J.Hamhalter (Praha) MSC: 46L51 46L53 46L54 47L07 PDFBibTeX XMLCite \textit{A. V. Krygin} et al., Sov. Math., Dokl. 43, No. 2, 445--448 (1991; Zbl 0780.46036); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 555--558 (1991)
Gavrilenko, Yu. V. Correct classes of computations in logic programming. (English. Russian original) Zbl 0790.68022 Sov. Math., Dokl. 43, No. 2, 422-426 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 535-539 (1991). MSC: 68N17 PDFBibTeX XMLCite \textit{Yu. V. Gavrilenko}, Sov. Math., Dokl. 43, No. 2, 422--426 (1991; Zbl 0790.68022); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 535--539 (1991)
Imanaliev, M. I.; Sharipov, S. The burst phenomenon in the theory of integral equations of Volterra type of the first kind. (English. Russian original) Zbl 0819.45003 Sov. Math., Dokl. 43, No. 2, 366-370 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 284-288 (1991). MSC: 45D05 PDFBibTeX XMLCite \textit{M. I. Imanaliev} and \textit{S. Sharipov}, Sov. Math., Dokl. 43, No. 2, 366--370 (1991; Zbl 0819.45003); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 284--288 (1991)
Galaktionov, V. A. On the peaking set for a nonlinear diffusion and combustion equation. (English. Russian original) Zbl 0779.35051 Sov. Math., Dokl. 43, No. 2, 360-365 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 280-284 (1991). Reviewer: H.Engler (Bonn) MSC: 35K55 35K65 35B40 PDFBibTeX XMLCite \textit{V. A. Galaktionov}, Sov. Math., Dokl. 43, No. 2, 360--365 (1991; Zbl 0779.35051); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 280--284 (1991)
Nikol’skiĭ, S. M. Approximation of functions by polynomials on a manifold. (English. Russian original) Zbl 0763.41006 Sov. Math., Dokl. 43, No. 2, 339-341 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 44-46 (1991). Reviewer: W.Plesniak (Kraków) MSC: 41A10 41A63 41A27 PDFBibTeX XMLCite \textit{S. M. Nikol'skiĭ}, Sov. Math., Dokl. 43, No. 2, 339--341 (1991; Zbl 0763.41006); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 44--46 (1991)
Muravej, L. A.; Filinovskij, A. V. On a parabolic boundary value problem. (English. Russian original) Zbl 0766.35019 Sov. Math., Dokl. 43, No. 2, 334-338 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 39-43 (1991). Reviewer: M.Chicco (Genova) MSC: 35K20 35Q80 PDFBibTeX XMLCite \textit{L. A. Muravej} and \textit{A. V. Filinovskij}, Sov. Math., Dokl. 43, No. 2, 334--338 (1991; Zbl 0766.35019); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 39--43 (1991)
Mitropol’skij, Yu. A.; Kurbanov, I. On the solvability of boundary value problems of electromagneto- elasticity with memory. (English. Russian original) Zbl 0751.73050 Sov. Math., Dokl. 43, No. 2, 329-333 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 35-39 (1991). MSC: 74F15 35Q72 PDFBibTeX XMLCite \textit{Yu. A. Mitropol'skij} and \textit{I. Kurbanov}, Sov. Math., Dokl. 43, No. 2, 329--333 (1991; Zbl 0751.73050); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 35--39 (1991)
Imanaliev, M. I.; Asanov, A. On solutions of systems of nonlinear two-dimensional Volterra integral equations of the first kind. (English. Russian original) Zbl 0753.45006 Sov. Math., Dokl. 43, No. 2, 325-328 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 32-35 (1991). Reviewer: Yang En Hao (Guangzhou) MSC: 45G15 45D05 45L05 PDFBibTeX XMLCite \textit{M. I. Imanaliev} and \textit{A. Asanov}, Sov. Math., Dokl. 43, No. 2, 325--328 (1991; Zbl 0753.45006); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 32--35 (1991)
Il’in, V. A. On equiconvergence with a trigonometric series of expansions in root functions of the Schrödinger operator with an arbitrary summable complex-valued potential. (English. Russian original) Zbl 0749.34049 Sov. Math., Dokl. 43, No. 2, 320-324 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 27-31 (1991). Reviewer: Y.Kivshar (Düsseldorf) MSC: 34L40 34L10 PDFBibTeX XMLCite \textit{V. A. Il'in}, Sov. Math., Dokl. 43, No. 2, 320--324 (1991; Zbl 0749.34049); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 27--31 (1991)
Ivanov, V. K.; Mel’nikova, I. V. New generalized functions and weak well-posedness of operator problems. (English. Russian original) Zbl 0752.35081 Sov. Math., Dokl. 43, No. 2, 315-319 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 22-26 (1991). Reviewer: A.Neubauer (Linz) MSC: 35R25 47A50 46F05 35R20 PDFBibTeX XMLCite \textit{V. K. Ivanov} and \textit{I. V. Mel'nikova}, Sov. Math., Dokl. 43, No. 2, 315--319 (1991; Zbl 0752.35081); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 22--26 (1991)
Dzhuraev, T. D.; Abdinazarov, S. A nonclassical boundary value problem for a higher order equation with multiple characteristic. (English. Russian original) Zbl 0788.35026 Sov. Math., Dokl. 43, No. 2, 311-314 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 19-22 (1991). MSC: 35G30 35A05 PDFBibTeX XMLCite \textit{T. D. Dzhuraev} and \textit{S. Abdinazarov}, Sov. Math., Dokl. 43, No. 2, 311--314 (1991; Zbl 0788.35026); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 19--22 (1991)
Gabasov, R.; Kirillova, F. M. Dual optimization for dynamical systems. (English. Russian original) Zbl 0762.49008 Sov. Math., Dokl. 43, No. 2, 306-310 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 15-19 (1991). Reviewer: T.Duncan (Lawrence) MSC: 49K15 93E20 49J99 PDFBibTeX XMLCite \textit{R. Gabasov} and \textit{F. M. Kirillova}, Sov. Math., Dokl. 43, No. 2, 306--310 (1991; Zbl 0762.49008); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 15--19 (1991)
Vakhrameev, S. A. A theorem on the Morse index of the extremals of some optimal control problems. (English. Russian original) Zbl 0751.58008 Sov. Math., Dokl. 43, No. 2, 301-305 (1991); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 11-15 (1991). Reviewer: N.Papaghiuc (Iaşi) MSC: 58E25 58E05 49N99 PDFBibTeX XMLCite \textit{S. A. Vakhrameev}, Sov. Math., Dokl. 43, No. 2, 301--305 (1991; Zbl 0751.58008); translation from Dokl. Akad. Nauk SSSR 317, No. 1, 11--15 (1991)