Zheng, Yongshu Singular perturbation of first boundary value problem for higher order elliptic equations. II. (English) Zbl 0626.35008 Appl. Math. Mech., Engl. Ed. 2, 613-623 (1981). MSC: 35B25 35J40 35C20 PDFBibTeX XMLCite \textit{Y. Zheng}, Appl. Math. Mech., Engl. Ed. 2, 613--623 (1981; Zbl 0626.35008) Full Text: DOI
Jiang, Furu On the Dirichlet problem for quasilinear elliptic equation with a small parameter. (English) Zbl 0611.35022 Appl. Math. Mech., Engl. Ed. 2, 25-50 (1981). MSC: 35J65 35B25 35C20 PDFBibTeX XMLCite \textit{F. Jiang}, Appl. Math. Mech., Engl. Ed. 2, 25--50 (1981; Zbl 0611.35022) Full Text: DOI
Carmichael, David G. Structural modelling and optimization. A general methodology for engineering and control. (English) Zbl 0595.93018 Ellis Horwood Series in Engineering Science. Chichester: Ellis Horwood Ltd.; New York: Halsted Press (John Wiley & Sons, Inc.). 306 p. (1981). MSC: 93B50 68U20 93-02 49K15 49L20 90C30 90C31 90C39 93B15 93Cxx 93D05 PDFBibTeX XML
Khristova, S.; Bajnov, D. Asymptotic solution of a boundary value problem for a weakly nonlinear system. (Bulgarian. English, Russian summaries) Zbl 0595.34028 Nauchni Tr., Plovdivski Univ. 19, No. 1, 275-290 (1981). MSC: 34B99 34E05 34A34 PDFBibTeX XMLCite \textit{S. Khristova} and \textit{D. Bajnov}, Nauchni Tr., Plovdivski Univ. 19, No. 1, 275--290 (1981; Zbl 0595.34028)
Iliev, I.; Khristova, S.; Bajnov, D. On a boundary value problem with a parameter for a singular perturbed system of ordinary differential equations. (Bulgarian. English, Russian summaries) Zbl 0595.34011 Nauchni Tr., Plovdivski Univ. 19, No. 1, 251-274 (1981). MSC: 34B10 PDFBibTeX XMLCite \textit{I. Iliev} et al., Nauchni Tr., Plovdivski Univ. 19, No. 1, 251--274 (1981; Zbl 0595.34011)
Gao, Ruxi Singular perturbation for second order elliptic equations with turning points. (Chinese. English summary) Zbl 0577.35028 Fudan J., Nat. Sci. 20, 296-305 (1981). MSC: 35J25 35B25 PDFBibTeX XMLCite \textit{R. Gao}, Fudan J., Nat. Sci. 20, 296--305 (1981; Zbl 0577.35028)
Vettori, Carla On the solution of the nerve impulse propagation equation by the singular perturbations method. (Italian) Zbl 0572.92011 Atti Accad. Sci. Ist. Bologna, Cl. Sci. Fis., Anno 270, Rend., XIII. Ser. 9(1981/82), 365-384 (1982). MSC: 92Cxx 35B25 35G10 35K25 35Q99 PDFBibTeX XML
Roberts, S. M. Continuation and the variational perturbation method. (English) Zbl 0558.65050 J. Math. Anal. Appl. 80, 506-522 (1981). Reviewer: J.Genet MSC: 65L05 34E10 PDFBibTeX XMLCite \textit{S. M. Roberts}, J. Math. Anal. Appl. 80, 506--522 (1981; Zbl 0558.65050) Full Text: DOI
Lifanov, I. K. On approximate calculation of multidimensional singular integrals. (Russian. English summary) Zbl 0558.65011 Dokl., Semin. Inst. Prikl. Mat. 15, 13-16 (1981). MSC: 65D32 30E20 45E10 41A55 65R20 41A63 PDFBibTeX XML
Spitkovskij, I. M. Factorization of measurable matrix-valued functions and its relation to the theory of singular integral equations and the vector Riemann boundary-value problem. I. (English. Russian original) Zbl 0549.47005 Differ. Equations 17, 477-485 (1981); translation from Differ. Uravn. 17, 697-709 (1981). Reviewer: V.S.Rabinovič MSC: 47A56 30E25 45E05 47B38 47A68 PDFBibTeX XMLCite \textit{I. M. Spitkovskij}, Differ. Equations 17, 477--485 (1981; Zbl 0549.47005); translation from Differ. Uravn. 17, 697--709 (1981)
Ignat’ev, V. N.; Zadorin, A. I.; Shcheglakov, I. S. An approach to the solution of equations with a small parameter. (Russian) Zbl 0546.65057 Computations with sparse matrices, Mater. IV. All-Union Conf., Novosibirsk 1981, 62-72 (1981). Reviewer: K.Moszyński MSC: 65L10 65L07 34E15 34B05 PDFBibTeX XML
Stolbov, V. N. Functional interpolation by analytic functions with a finite number of singularities. (Russian) Zbl 0545.41007 Primen. Funkts. Anal. Teor. Priblizh. 1981, 99-110 (1981). Reviewer: S.Aljančić MSC: 41A05 41A30 30E10 30E05 PDFBibTeX XML
Speranza, Gaetano Nonhomogeneous boundary value problem for the singular parabolic equation \(u_{xx}+(2\gamma /x)u_ x-u_ t=0\). (Italian) Zbl 0541.35037 Matematiche 36, 136-148 (1981). Reviewer: G.Cimmino MSC: 35K20 35K65 35B30 46F20 PDFBibTeX XMLCite \textit{G. Speranza}, Matematiche 36, 136--148 (1981; Zbl 0541.35037)
Onishi, Kazuei; Kuroki, Takemi; Ohura, Yoko; Obata, Kinko; Ito, Tomoko Boundary element method in transient heat transfer problems. (English) Zbl 0534.73069 Bull. Inst. Adv. Res. Fukuoka Univ. 55, Nat. Sci. 11, 1-166 (1981). MSC: 74S30 74-04 65R20 65N35 74A15 74S99 80A20 PDFBibTeX XMLCite \textit{K. Onishi} et al., Bull. Inst. Adv. Res. Fukuoka Univ., Nat. Sci. 55(11), 1--166 (1981; Zbl 0534.73069)
Chistyakov, V. S. On a theorem of the existence of solutions for singular linear systems of ordinary differential equations. (Russian) Zbl 0534.34003 Chislennye Metody Mekh. Sploshnoj Sredy 12, No. 6, 135-149 (1981). Reviewer: J.Vosmanský MSC: 34A12 34A30 PDFBibTeX XML
Skala, D.; Tolley, M. D. Flexion des plaques minces polygonales. (English) Zbl 0533.73045 Bull. Cl. Sci., V. Sér. Acad. R. Belg. 67, 372-384 (1981). MSC: 74G60 74S05 74K20 PDFBibTeX XMLCite \textit{D. Skala} and \textit{M. D. Tolley}, Bull. Cl. Sci., V. Sér., Acad. R. Belg. 67, 372--384 (1981; Zbl 0533.73045)
Kabanov, N. I. Geometric theory of the Carathéodory transformations in the singular variational problem for a hypermultiple integral. (Russian) Zbl 0532.49028 Differ. Geom. 6, 30-43 (1981). Reviewer: A.L.Dontchev MSC: 49Q20 58C35 58C25 58K99 53A55 28C99 PDFBibTeX XMLCite \textit{N. I. Kabanov}, Differ. Geom. 6, 30--43 (1981; Zbl 0532.49028)
Labbe, Z. Fernando Collocation method applied to problems of boundary layer type. (Spanish. English summary) Zbl 0531.65048 Scientia 46, 61-71 (1981). MSC: 65L10 34B15 34E15 PDFBibTeX XMLCite \textit{Z. F. Labbe}, Scientia 46, 61--71 (1981; Zbl 0531.65048)
Lyashko, I. I.; Boyarchuk, A. K.; Gaj, Ya. G.; Kalajda, A. F. Differential equations. Textbook. (Differentsial’nye uravneniya. Uchebnoe posobie). (Ukrainian) Zbl 0531.34001 Kiev: Golovnoe Izdatel’stvo Izdatel’skogo Ob”edineniya ”Vishcha Shkola”. 504 p. R. 1.40 (1981). Reviewer: J.Chrastina MSC: 34-01 34A12 34A30 34E05 34E20 34A05 34L99 34D20 34C05 PDFBibTeX XML
Chistyakov, V. S. A theorem on the existence of solutions for singular linear systems of ordinary differential equations. (Russian) Zbl 0529.34004 Chislennye Metody Mekh. Sploshnoj Sredy 12, No. 6, 135-149 (1981). MSC: 34A12 34A30 PDFBibTeX XML
Golecki, J. J. An elementary approach to two-dimensional elastostatic crack theory. (English) Zbl 0525.73111 Solid Mech. Arch. 6, 1-29 (1981). MSC: 74R05 74B99 74H99 74B10 45F15 PDFBibTeX XMLCite \textit{J. J. Golecki}, Solid Mech. Arch. 6, 1--29 (1981; Zbl 0525.73111)
Deshpande, M. A.; Kasture, D. Y. Two point boundary value problems inimical to singular perturbation theory. (English) Zbl 0525.34046 Rend. Sem. Mat., Torino 39, No. 2, 99-109 (1981). MSC: 34E15 34E10 34B10 34B15 34D10 34E20 PDFBibTeX XMLCite \textit{M. A. Deshpande} and \textit{D. Y. Kasture}, Rend. Semin. Mat., Torino 39, No. 2, 99--109 (1981; Zbl 0525.34046)
Lang, William E. Classical Godeaux surface in characteristic \(p\). (English) Zbl 0524.14036 Math. Ann. 256, 419-427 (1981). MSC: 14N05 14L30 14G15 14M07 PDFBibTeX XMLCite \textit{W. E. Lang}, Math. Ann. 256, 419--427 (1981; Zbl 0524.14036) Full Text: DOI EuDML
Bashelejshvili, M. O. Some plane boundary contact problems. (Russian) Zbl 0523.73090 Tr. Inst. Prikl. Mat. Im. I. N. Vekua 10, 5-21 (1981). MSC: 74A55 74M15 74G30 74H25 PDFBibTeX XMLCite \textit{M. O. Bashelejshvili}, Tr. Inst. Prikl. Mat. Im. I. N. Vekua 10, 5--21 (1981; Zbl 0523.73090)
Kurtz, J. C. A class of singular nonlinear boundary value problems. (English) Zbl 0523.34015 J. Math. Anal. Appl. 83, 26-42 (1981). MSC: 34B15 PDFBibTeX XMLCite \textit{J. C. Kurtz}, J. Math. Anal. Appl. 83, 26--42 (1981; Zbl 0523.34015) Full Text: DOI
Natroshvili, D. G. On a variant of the proof of theorems for the existence of solutions of problems for steady oscillations in elasticity. (Russian) Zbl 0522.73047 Tr. Inst. Prikl. Mat. Im. I. N. Vekua 10, 90-98 (1981). MSC: 74H45 45E99 PDFBibTeX XMLCite \textit{D. G. Natroshvili}, Tr. Inst. Prikl. Mat. Im. I. N. Vekua 10, 90--98 (1981; Zbl 0522.73047)
Sakabekov, A.; Sultangazin, U. M. Foundation of the variational-difference method for the solution of a system of equations for the method spherical harmonics in the x-y geometry. (Russian) Zbl 0522.65061 Variational-difference methods in mathematical physics, IV. All-Union Conf. 1980, Novosibirsk 1981, 113-124 (1981). MSC: 65N12 35J25 PDFBibTeX XML
Pragarauskas, G. Limit transition in general degenerate Bellman equations. I. (English) Zbl 0518.93061 Lith. Math. J. 20, 317-325 (1981). MSC: 93E20 45G05 60J75 45K05 49J55 60J60 PDFBibTeX XMLCite \textit{G. Pragarauskas}, Lith. Math. J. 20, 317--325 (1981; Zbl 0518.93061) Full Text: DOI
Claudon, Jean-Louis; Sunakawa, Megumi Design sensitivity analysis for distributed parameter structural systems governed by double eigenvalue problems. (English) Zbl 0518.73083 Optimization of distributed parameter structures, Vol. II, NATO Adv. Study Inst. Ser., E, Appl. Sci. 50, 1516-1538 (1981). MSC: 74P99 49R50 93B35 74S30 PDFBibTeX XML
Bagaev, B. M. Galerkin’s method for an equation with a small parameter at the higher derivative. (Russian) Zbl 0518.65078 Approximation and interpolation methods, Mater. IV. All-Union Conf., Novosibirsk 1981, 4-13 (1981). MSC: 65N30 65L60 35B25 35J25 34D15 34B05 PDFBibTeX XML
D’yachenko, M. I. Some local properties of functions. (English) Zbl 0518.42015 Russ. Math. Surv. 36, No. 1, 231-232 (1981). MSC: 42A32 42A50 42A05 PDFBibTeX XMLCite \textit{M. I. D'yachenko}, Russ. Math. Surv. 36, No. 1, 231--232 (1981; Zbl 0518.42015) Full Text: DOI
Masur, Ernest F. Singular problems of optimal design. (English) Zbl 0517.73081 Optimization of distributed parameter structures, Vol. I, NATO Adv. Study Inst. Ser., E, Appl. Sci. 49, 200-218 (1981). MSC: 74P99 PDFBibTeX XML
Rousselet, Bernard Singular dependence of repeated eigenvalues. (English) Zbl 0516.73106 Optimization of distributed parameter structures, Vol. II, NATO Adv. Study Inst. Ser., E, Appl. Sci. 50, 1443-1456 (1981). MSC: 74P99 49R50 74H45 PDFBibTeX XML
Ivrij, V. Ya. Asymptotics of the eigenvalues for some elliptic operators acting in bundles over a manifold with a boundary. (English. Russian original) Zbl 0516.35063 Sov. Math., Dokl. 23, 623-625 (1981); translation from Dokl. Akad. Nauk SSSR 258, 1045-1046 (1981). MSC: 35P20 58J50 35J25 PDFBibTeX XMLCite \textit{V. Ya. Ivrij}, Sov. Math., Dokl. 23, 623--625 (1981; Zbl 0516.35063); translation from Dokl. Akad. Nauk SSSR 258, 1045--1046 (1981)
Atherton, Derek P. Stability of nonlinear systems. (English) Zbl 0515.93001 Electronic & Electrical Engineering Research Studies: Control Theory and Applications Studies Series, 1. Chichester - New York: Research Studies Press (John Wiley & Sons). XII, 231 p. $ 30.00 (1981). MSC: 93-01 93C10 93D05 34A34 34C05 34D20 37C75 37G15 70K05 70K20 93B17 93B50 93C15 PDFBibTeX XML
Katrakhov, V. V.; Ryzhkov, A. V. On the limiting control of systems described by singular parabolic equations. (Russian) Zbl 0515.49001 Correct boundary value problems for non-classical equations of mathematical physics, Collect. sci. Works, Novosibirsk 1981, 91-95 (1981). MSC: 49J20 35K20 35A20 93C20 PDFBibTeX XML
Egorov, I. E. On the Cauchy problem for a singular hyperbolic equation of even order. (Russian) Zbl 0514.35046 Correct boundary value problems for non-classical equations of mathematical physics, Collect. sci. Works, Novosibirsk 1981, 54-57 (1981). MSC: 35L30 35L80 42A38 PDFBibTeX XML
Lomov, S. A. Introduction to the general theory of singular perturbations. (Введение в общую теорию сингулярных возмущений.) (Russian) Zbl 0514.34049 Moskva: “Nauka”. 400 p. (1981). MSC: 34E15 34-01 35B25 34G20 PDFBibTeX XML
Borisyuk, R. M. Stationary solutions of a system of ordinary differential equations depending on a parameter. Vol. 6. (Statsionarnye resheniya sistemy obyuknovennykh differentisial’nykh uravnenij, zavisyashchej ot parametra. Materialy po matematicheskomu obespecheniyu EhVM. Vypusk 6). (Russian) Zbl 0514.34001 Akademiya Nauk SSSR. Nauchnyj Tsentr Biologicheskikh Issledovanij. Nauchno-Issledovatel’skij Vychislitel’nyj Tsentr. Pushchino: Nauchnyj Tsentr Biologicheskikh Issledovanij AN SSSR. 68 p. R. 0.80 (1981). MSC: 34-04 65L20 34D99 34C05 PDFBibTeX XML
Shimakura, Norio Formulas for diffusion approximations of some gene frequency models. (English) Zbl 0512.92011 J. Math. Kyoto Univ. 21, 19-45 (1981). MSC: 92D10 60J70 15A18 15B51 60J10 60J60 PDFBibTeX XMLCite \textit{N. Shimakura}, J. Math. Kyoto Univ. 21, 19--45 (1981; Zbl 0512.92011) Full Text: DOI
Liu, Laifu A compound boundary problem with shift for analytic function. (Chinese) Zbl 0511.30031 Chin. Ann. Math. 2, 325-337 (1981). MSC: 30E25 45E05 PDFBibTeX XMLCite \textit{L. Liu}, Chin. Ann. Math. 2, 325--337 (1981; Zbl 0511.30031)
Kamzolov, A. I. Favard’s inequality on the sphere \(S^ n\). (English) Zbl 0509.42019 Mosc. Univ. Math. Bull. 36, No. 6, 63-70 (1981). MSC: 42B20 42A05 43A85 33C80 47Gxx PDFBibTeX XMLCite \textit{A. I. Kamzolov}, Mosc. Univ. Math. Bull. 36, No. 6, 63--70 (1981; Zbl 0509.42019)
Yan, Zongyi The ”bolus flow” solution of the plasma between the red blood cells flowing through a capillary. (English) Zbl 0508.76139 Sci. Sin. 24, 1636-1648 (1981). MSC: 76Z10 76A05 76M45 76D10 76Z05 65N30 76D07 PDFBibTeX XMLCite \textit{Z. Yan}, Sci. Sin. 24, 1636--1648 (1981; Zbl 0508.76139)
Cizek, Pavel; Janovsky, Vladimir Hele-Shaw flow model of the injection by a point source. (English) Zbl 0508.76030 Proc. R. Soc. Edinb., Sect. A 91, 147-159 (1981). MSC: 76B10 35R35 49J40 35D10 35J20 35J05 PDFBibTeX XMLCite \textit{P. Cizek} and \textit{V. Janovsky}, Proc. R. Soc. Edinb., Sect. A, Math. 91, 147--159 (1981; Zbl 0508.76030) Full Text: DOI
Arkhutik, G. M. Equations in total differentials of Riemannian and Gauss type. (Russian) Zbl 0508.34018 Izv. Akad. Nauk BSSR, Ser. Fiz.-Mat. Nauk 1981, No. 6, 43-50 (1981). MSC: 34B30 34A25 35N99 PDFBibTeX XMLCite \textit{G. M. Arkhutik}, Izv. Akad. Nauk BSSR, Ser. Fiz.-Mat. Nauk 1981, No. 6, 43--50 (1981; Zbl 0508.34018)
Kazantzis, P. G. Numerical investigation of symmetric and asymmetric periodic oscillations. (English) Zbl 0507.70025 Astrophys. Space Sci. 78, 27-43 (1981). MSC: 70K99 70-08 65L99 34C05 34C10 34C25 PDFBibTeX XMLCite \textit{P. G. Kazantzis}, Astrophys. Space Sci. 78, 27--43 (1981; Zbl 0507.70025) Full Text: DOI
Verbitskij, V. G.; Lobas, L. G. Method of determining singular points and their properties in the problem of plane motion of a wheeled vehicle. (English. Russian original) Zbl 0507.70023 J. Appl. Math. Mech. 45, 710-713 (1982); translation from Prikl. Mat. Mekh. 45, 944-948 (1981). MSC: 70J25 70K20 70B99 PDFBibTeX XMLCite \textit{V. G. Verbitskij} and \textit{L. G. Lobas}, J. Appl. Math. Mech. 45, 710--713 (1981; Zbl 0507.70023); translation from Prikl. Mat. Mekh. 45, 944--948 (1981) Full Text: DOI
Li, Genyuan On the proof of theorems of eigenvalue for reaction course graph. (English) Zbl 0507.05044 Kexue Tongbao, Foreign. Lang. Ed. 26, 697-701 (1981). MSC: 05C50 15A18 94C15 PDFBibTeX XMLCite \textit{G. Li}, Kexue Tongbao, Sci. Bull. 26, 697--701 (1981; Zbl 0507.05044)
Herceg, Dragoslav; Vulanovic, Relja Some finite-difference schemes for a singular perturbation problem on a non-uniform mesh. (English) Zbl 0506.65035 Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 11, 117-134 (1981). MSC: 65L10 65L20 65L50 34B05 80A32 PDFBibTeX XMLCite \textit{D. Herceg} and \textit{R. Vulanovic}, Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 11, 117--134 (1981; Zbl 0506.65035)
Herceg, Dragoslav A uniformly convergent scheme with quasi-constant fitting factors. (English) Zbl 0506.65034 Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 11, 105-115 (1981). MSC: 65L10 65L50 34B05 PDFBibTeX XMLCite \textit{D. Herceg}, Zb. Rad., Prir.-Mat. Fak., Univ. Novom Sadu, Ser. Mat. 11, 105--115 (1981; Zbl 0506.65034)
Pragarauskas, G. Passage to the limit in general degenerate Bellman equations. II. (English) Zbl 0505.93077 Lith. Math. J. 21, 63-73 (1981). MSC: 93E20 45K05 60J60 45G05 49J55 60J75 PDFBibTeX XMLCite \textit{G. Pragarauskas}, Lith. Math. J. 21, 63--73 (1981; Zbl 0505.93077) Full Text: DOI
Singh, Gurdarshan; Singh, Avtar Propagation of cylindrical shear waves in nonhomogeneous thin viscoelastic plates. (English) Zbl 0504.73011 Bull. Calcutta Math. Soc. 73, 355-370 (1981). MSC: 74J10 74K20 74Hxx 74E05 44A10 34E20 PDFBibTeX XMLCite \textit{G. Singh} and \textit{A. Singh}, Bull. Calcutta Math. Soc. 73, 355--370 (1981; Zbl 0504.73011)
Takasaki, Kanehisa Singular Cauchy problems for a class of weakly hyperbolic differential operators. (English) Zbl 0504.35056 Proc. Japan Acad., Ser. A 57, 393-397 (1981). MSC: 35L30 35C15 58J15 58J45 PDFBibTeX XMLCite \textit{K. Takasaki}, Proc. Japan Acad., Ser. A 57, 393--397 (1981; Zbl 0504.35056) Full Text: DOI
Teichert, Alina Randproblem vom Typ Sjoestrand-Dirichlet. (German) Zbl 0504.35025 Demonstr. Math. 14, 735-744 (1981). MSC: 35G15 35C15 35B65 PDFBibTeX XMLCite \textit{A. Teichert}, Demonstr. Math. 14, 735--744 (1981; Zbl 0504.35025)
Andrica, Dorin Bounded solution for a singular boundary value problem. (English) Zbl 0504.34011 Math., Rev. Anal. Numér. Théor. Approximation, Math. 23(46), 157-164 (1981). MSC: 34B15 34C11 35G30 PDFBibTeX XMLCite \textit{D. Andrica}, Math. Rev. Anal. Numér. Théor. Approximation, Math. 23(46), 157--164 (1981; Zbl 0504.34011) Full Text: EuDML
Pastukhova, S. E. On the well-posedness of a mixed boundary-value problem for a hyperbolic equation. (English) Zbl 0503.35051 Russ. Math. Surv. 36, No. 5, 171-172 (1981). MSC: 35L20 35S15 35A05 35B30 PDFBibTeX XMLCite \textit{S. E. Pastukhova}, Russ. Math. Surv. 36, No. 5, 171--172 (1981; Zbl 0503.35051) Full Text: DOI
Lomov, S. A. Asymptotic integration of singularly perturbed problems for partial differential equations. (Russian) Zbl 0503.35015 Qualitative investigation methods of nonlinear differential equations and nonlinear vibrations, Collect. sci. Works, Kiev 1981, 60-98 (1981). MSC: 35B25 35K20 35C20 35Q30 PDFBibTeX XML
Kambale, P.; Mukai, H.; Zaborszky, J. Optimal control of on-going processes. (English) Zbl 0502.93037 Decision and control, Proc. 20th IEEE Conf., incl. Symp. Adaptive Processes, San Diego/Calif. 1981, Vol. 1, 217-220 (1981). MSC: 93C15 34E15 49K15 PDFBibTeX XML
Preuss, Juergen Optimaler Entwurf von Tragwerken mit Hilfe der Mehrzielmethode. (German) Zbl 0502.73072 Mitt. Inst. Mech., Ruhr-univ. Bochum 23, 1-179 (1981). MSC: 74P99 74K20 74-04 74E30 74S30 49S05 74S99 PDFBibTeX XML
Anisovich, V. V.; Kalinovskij, V. D. On the determination of a saddle point of a nonlinear functional involving linear differential relations. (Russian) Zbl 0502.34053 Ukr. Mat. Zh. 33, 379-382 (1981). MSC: 34H05 49K35 34C05 34A34 PDFBibTeX XMLCite \textit{V. V. Anisovich} and \textit{V. D. Kalinovskij}, Ukr. Mat. Zh. 33, 379--382 (1981; Zbl 0502.34053)
Beauville, Arnaud Le nombre minimum de fibres singulieres d’une courbe stable sur \(P^ 1\). (French) Zbl 0502.14009 Astérisque 86, 97-108 (1981). MSC: 14H10 14N10 PDFBibTeX XMLCite \textit{A. Beauville}, Astérisque 86, 97--108 (1981; Zbl 0502.14009)
Hung, Y. S.; MacFarlane, A. C. J. On the relationships between unbounded asymptote behaviour of multivariable root loci, impulse response and infinite zeros. (English) Zbl 0501.93020 Decision and control, Proc. 20th IEEE Conf., incl. Symp. Adaptive processes, San Diego/Calif. 1981, Vol. 1, 97-104 (1981). MSC: 93B55 15A21 93C35 93C05 15A18 15A09 93B10 PDFBibTeX XML
Zubarev, S. V. Analogue of Kelly’s condition for systems of hyperbolic equations. (English) Zbl 0501.49012 Ukr. Math. J. 33, 1-5 (1981). MSC: 49K20 35L20 93C20 PDFBibTeX XMLCite \textit{S. V. Zubarev}, Ukr. Math. J. 33, 1--5 (1981; Zbl 0501.49012) Full Text: DOI
Persson, J. Singular holomorphic solutions of linear partial differential equations with holomorphic coefficients and nonanalytic solutions of equations with analytic coefficients. (English) Zbl 0501.35018 Astérisque 89-90, 223-247 (1981). MSC: 35G10 35A20 PDFBibTeX XMLCite \textit{J. Persson}, Astérisque 89--90, 223--247 (1981; Zbl 0501.35018)
Dykhta, V. A. Conditions of local minimum for singular modes in systems with linear control. (English. Russian original) Zbl 0499.49009 Autom. Remote Control 42, No. 12, 1583-1587 (1982); translation from Avtom. Telemekh. 1981, No. 12, 5-10 (1981). MSC: 49K15 34H05 93C15 93C10 PDFBibTeX XMLCite \textit{V. A. Dykhta}, Autom. Remote Control 42, No. 12, 1583--1587 (1981; Zbl 0499.49009); translation from Avtom. Telemekh. 1981, No. 12, 5--10 (1981)
Howes, F. A. Some higher order singular perturbation problems. (English) Zbl 0499.34034 Differential equations and applications in ecology, epidemics, and population problems, Proc. Conf., Claremont/Calif. 1981, 305-320 (1981). MSC: 34E15 34B15 PDFBibTeX XML
Aggarwala, B. D.; Ariel, P. D. Vibration and bending of a cracked plate. (English) Zbl 0498.73064 Rozpr. Inz. 29, 295-310 (1981). MSC: 74H45 74K20 74R05 74B99 74H99 45B05 65R20 PDFBibTeX XMLCite \textit{B. D. Aggarwala} and \textit{P. D. Ariel}, Rozpr. Inż. 29, 295--310 (1981; Zbl 0498.73064)
Butenina, N. N. Multiple confluence of separatrices and limit cycles. (Russian) Zbl 0498.34019 Differ. Uravn. 17, 732-734 (1981). MSC: 34C05 34D10 34A12 34D30 37-XX PDFBibTeX XMLCite \textit{N. N. Butenina}, Differ. Uravn. 17, 732--734 (1981; Zbl 0498.34019)
Kulikov, A. Application of Kolesov’s amplitude method to the problem on the diffusion instability. (Russian) Zbl 0498.34010 Differ. Uravn. Primen. 29, 51-67 (1981). MSC: 34B15 34C05 34C10 34D20 PDFBibTeX XMLCite \textit{A. Kulikov}, Differ. Uravn. Primen. 29, 51--67 (1981; Zbl 0498.34010)
Khusnutdinov, R. Sh. The theory of nonlinear singular integro-differential equations and its application to a nonlinear boundary value problem of Hilbert. (English) Zbl 0497.45017 Sov. Math. 25, No. 8, 105-109 (1981). MSC: 45J05 30E25 45G05 PDFBibTeX XMLCite \textit{R. Sh. Khusnutdinov}, Sov. Math. 25, No. 8, 105--109 (1981; Zbl 0497.45017)
Telyakovskij, S. A. On approximation of functions of class \(W^ 1 \)by Cesaro means. (Russian) Zbl 0497.42002 Tr. Mat. Inst. Steklova 157, 191-197 (1981). MSC: 42A10 42A05 42A50 PDFBibTeX XMLCite \textit{S. A. Telyakovskij}, Tr. Mat. Inst. Steklova 157, 191--197 (1981; Zbl 0497.42002)
Shnajder, J. Nonisothermal flow of highly-viscous fluids in tubes. (Russian) Zbl 0496.76038 Teor. Prilozhna Mekh. 1981, No. 4, 46-50 (1981). MSC: 76M45 76D10 76A10 80A20 35F25 35K60 PDFBibTeX XMLCite \textit{J. Shnajder}, Teor. Prilozhna Mekh. 1981, No. 4, 46--50 (1981; Zbl 0496.76038)
Radzhabov, N. Integral representations and boundary value problems for some differential equations with singular line or singular surfaces. Textbook. Part 2. (Integral’nye predstavleniya i granichnye zadachi dlya nekotorykh differentsial’nykh uravnenij s singulyarnoj liniej ili singulyarnymi poverkhnostyami. Uchebnoe posobie. Chast’ 2). (Russian) Zbl 0496.35014 Ministerstvo Vysshego i Srednego Spetsial’nogo Obrazovaniya Tadzhikskoj SSR. Dushanbe: Tadzhikskij Gosudarstvennyj Universitet im. V. I. Lenina. 171 p. R. 0.83 (1981). MSC: 35C15 35-01 35A20 35G05 35J45 PDFBibTeX XML
Sverdlove, Ronald Inverse problems for dynamical systems. (English) Zbl 0496.34011 J. Differ. Equations 42, 72-105 (1981). MSC: 34A55 34C05 37-XX 34D20 34C25 PDFBibTeX XMLCite \textit{R. Sverdlove}, J. Differ. Equations 42, 72--105 (1981; Zbl 0496.34011) Full Text: DOI
Garnier, M.; Alemany, A.; Sulem, P. L.; Pouquet, A. Influence of an external magnetic field on large scale low magnetic Reynolds number MHD turbulence. (English) Zbl 0495.76099 J. Mec. 20, 233-251 (1981). MSC: 76W05 76M45 76D10 76F99 PDFBibTeX XMLCite \textit{M. Garnier} et al., J. Méc., Paris 20, 233--251 (1981; Zbl 0495.76099)
Kanal, Madhoo; Davies, John A. A spectral representation of the linear transport problem. I. (English) Zbl 0494.45014 Transp. Theory Stat. Phys. 10, 29-51 (1981). MSC: 45K05 45C05 82C70 45E10 PDFBibTeX XMLCite \textit{M. Kanal} and \textit{J. A. Davies}, Transp. Theory Stat. Phys. 10, 29--51 (1981; Zbl 0494.45014) Full Text: DOI
Butuzov, V. F.; Udodov, Yu. P. Asymptotic solution of a system of singularly-perturbed equations of elliptic type with an angular boundary layer. (English) Zbl 0494.35011 U.S.S.R. Comput. Math. Math. Phys. 21, No. 3, 134-147 (1981). MSC: 35B25 35B40 35J55 35C20 PDFBibTeX XMLCite \textit{V. F. Butuzov} and \textit{Yu. P. Udodov}, U.S.S.R. Comput. Math. Math. Phys. 21, No. 3, 134--147 (1981; Zbl 0494.35011) Full Text: DOI
Sastry, Shankar; Hijab, Omar Bifurcation in the presence of small noise. (English) Zbl 0493.93046 Syst. Control Lett. 1, 159-167 (1981). MSC: 93E03 58E07 82B26 82B10 PDFBibTeX XMLCite \textit{S. Sastry} and \textit{O. Hijab}, Syst. Control Lett. 1, 159--167 (1981; Zbl 0493.93046) Full Text: DOI
Sayhi, M. N.; Ousset, Y.; Verchery, G. Solution of radiation problems by collocation of integral formulations in terms of single and double layer potentials. (English) Zbl 0493.73079 J. Sound Vib. 74, 187-204 (1981). MSC: 74S30 65N35 35J05 45E99 PDFBibTeX XMLCite \textit{M. N. Sayhi} et al., J. Sound Vib. 74, 187--204 (1981; Zbl 0493.73079) Full Text: DOI
Davori, M. I.; Kalinin, A. I. On a certain necessary condition for optimality of singular controls. (Russian) Zbl 0493.49019 Vestn. Beloruss. Gos. Univ. Im. V. I. Lenina, Ser. I 1981, No. 1, 64-66 (1981). MSC: 49K15 34H05 93C15 PDFBibTeX XMLCite \textit{M. I. Davori} and \textit{A. I. Kalinin}, Vestn. Beloruss. Gos. Univ. Im. V. I. Lenina, Ser. I 1981, No. 1, 64--66 (1981; Zbl 0493.49019)
Fujisaki, Masatoshi A remark on a certain stochastic control problem. (English) Zbl 0493.49017 Proc. Japan Acad., Ser. A 57, 408-411 (1981). MSC: 49J55 60H15 93E20 PDFBibTeX XMLCite \textit{M. Fujisaki}, Proc. Japan Acad., Ser. A 57, 408--411 (1981; Zbl 0493.49017) Full Text: DOI
Laver, A. G. On the question of the existence of periodic solutions for a class of singularly perturbed parabolic equations. (Russian) Zbl 0493.35003 Analytical methods of nonlinear mechanics, Collect. sci. Works, Kiev 1981, 63-67 (1981). MSC: 35B10 35B25 35K20 PDFBibTeX XML
Qin, Yuanxun; Liu, Zunquan Mechanical deduction of formulas of differential equations. III. (English) Zbl 0493.34032 Kexue Tongbao, Foreign. Lang. Ed. 26, 385-389 (1981). MSC: 34C05 34A34 34-04 PDFBibTeX XMLCite \textit{Y. Qin} and \textit{Z. Liu}, Kexue Tongbao, Sci. Bull. 26, 385--389 (1981; Zbl 0493.34032)
Liu, Zunquan; Qin, Chaobin Mechanical deduction of formulas of differential equations. II. (English) Zbl 0493.34031 Kexue Tongbao, Foreign. Lang. Ed. 26, 779-780 (1981). MSC: 34C05 34A34 34C15 34-04 PDFBibTeX XMLCite \textit{Z. Liu} and \textit{C. Qin}, Kexue Tongbao, Sci. Bull. 26, 779--780 (1981; Zbl 0493.34031)
Pragarauskas, G. On limit transition in general degenerated Bellman equations. II. (Russian) Zbl 0492.93070 Litov. Mat. Sb. 21, No. 1, 135-154 (1981). MSC: 93E20 60J75 45G05 45K05 60J60 49J55 PDFBibTeX XMLCite \textit{G. Pragarauskas}, Litov. Mat. Sb. 21, No. 1, 135--154 (1981; Zbl 0492.93070)
Seydel, R. Numerical computation of periodic orbits that bifurcate from stationary solutions of ordinary differential equations. (English) Zbl 0491.65049 Appl. Math. Comput. 9, 257-271 (1981). MSC: 65L15 65L50 34C25 34C05 34L99 PDFBibTeX XMLCite \textit{R. Seydel}, Appl. Math. Comput. 9, 257--271 (1981; Zbl 0491.65049) Full Text: DOI
Pal’tsev, B. V. On a certain method for construction of the canonical matrix of the solutions of a Hilbert problem arising from the solution of convolution equations on a finite interval. (Russian) Zbl 0491.45006 Izv. Akad. Nauk SSSR, Ser. Mat. 45, 1332-1390 (1981). MSC: 45F15 30E25 47B35 PDFBibTeX XMLCite \textit{B. V. Pal'tsev}, Izv. Akad. Nauk SSSR, Ser. Mat. 45, 1332--1390 (1981; Zbl 0491.45006)
Diekmann, O.; Hilhorst, D. Variational analysis of a perturbed free boundary problem. (English) Zbl 0491.35050 Math. Cent., Amst., Afd. Toegepaste Wiskd. TW 220/81, 31 p. (1981). MSC: 35J65 35B25 35A15 35R35 PDFBibTeX XML
Balla, K. On singular boundary value problems for systems of nonlinear ODE-s. (English) Zbl 0491.34023 Qualitative theory of differential equations, Vol. I, Szeged 1979, Colloq. Math. Soc. János Bolyai 30, 63-70 (1981). MSC: 34B15 65L10 34A34 34B99 PDFBibTeX XML
Ivanov, M. Ya.; Slobodkina, F. A. Analysis of steady solutions of invariant quasi-linear third order equations. (English. Russian original) Zbl 0489.76022 J. Appl. Math. Mech. 45, 94-100 (1982); translation from Prikl. Mat. Mekh. 45, 128-136 (1981). MSC: 76B15 76B25 34C05 35G25 76M99 PDFBibTeX XMLCite \textit{M. Ya. Ivanov} and \textit{F. A. Slobodkina}, J. Appl. Math. Mech. 45, 94--100 (1981; Zbl 0489.76022); translation from Prikl. Mat. Mekh. 45, 128--136 (1981) Full Text: DOI
Greenlee, W. M. Stability theorems for singular perturbation of eigenvalues. (English) Zbl 0489.47004 Manuscr. Math. 34, 157-174 (1981). MSC: 47A55 PDFBibTeX XMLCite \textit{W. M. Greenlee}, Manuscr. Math. 34, 157--174 (1981; Zbl 0489.47004) Full Text: DOI EuDML
Khusnutdinov, R. Sh. Theory of nonlinear singular integro-differential equations and its application to a nonlinear Hilbert boundary value problem. (Russian) Zbl 0489.45011 Izv. Vyssh. Uchebn. Zaved., Mat. 1981, No. 8(231), 82-85 (1981). MSC: 45J05 45G05 30E25 PDFBibTeX XMLCite \textit{R. Sh. Khusnutdinov}, Izv. Vyssh. Uchebn. Zaved., Mat. 1981, No. 8(231), 82--85 (1981; Zbl 0489.45011)
Tsymbal, V. N. The angular boundary layer in the mixed, singularly perturbed problem for a hyperbolic equation. (Russian) Zbl 0488.35009 Analytical methods of nonlinear mechanics, Collect. sci. Works, Kiev 1981, 148-152 (1981). MSC: 35B25 35L20 35L67 PDFBibTeX XML
Fattorini, H. O. Some remarks on second order abstract Cauchy problems. (English) Zbl 0488.34051 Funkc. Ekvacioj, Ser. Int. 24, 331-344 (1981). MSC: 34G10 34A12 47D03 PDFBibTeX XMLCite \textit{H. O. Fattorini}, Funkc. Ekvacioj, Ser. Int. 24, 331--344 (1981; Zbl 0488.34051)
Abramov, A. A.; Balla, K.; Konyukhova, N. B. A replacement of boundary conditions of singular points for systems of ordinary differential equations. (Perenos granichnykh uslovij iz osobykh tochek dlya sistem obyknovennykh differentsial’nykh uravnenij). (Russian) Zbl 0488.34002 Soobshcheniya po Vychislitel’noĭ Matematike. Akademiya Nauk SSSR. Vychislitel’nyĭ Tsentr. Moskva: Vychislitel’nyj Tsentr AN SSSR. 64 p. R. 0.20 (1981). MSC: 34-02 34C05 34B99 34C45 34C30 PDFBibTeX XML
Hussain, M. A.; Coffin, L. F.; Zaleski, K. A. Three dimensional singular element. (English) Zbl 0487.73082 Comput. Struct. 13, 595-599 (1981). MSC: 74S05 74R05 74G70 74-04 PDFBibTeX XMLCite \textit{M. A. Hussain} et al., Comput. Struct. 13, 595--599 (1981; Zbl 0487.73082) Full Text: DOI
Albeverio, S.; Fukushima, M.; Karwowski, W.; Streit, L. Capacity and quantum mechanical tunneling. (English) Zbl 0487.60066 Commun. Math. Phys. 81, 501-513 (1981). MSC: 60J45 81P20 60J70 PDFBibTeX XMLCite \textit{S. Albeverio} et al., Commun. Math. Phys. 81, 501--513 (1981; Zbl 0487.60066) Full Text: DOI
Gichev, Todor R. Singular perturbations in a problem of optimal control with convex integral criterion-conditionally stable case. (Russian) Zbl 0487.49026 Serdica 7, 306-319 (1981). MSC: 93B05 49K15 34D15 93C15 PDFBibTeX XMLCite \textit{T. R. Gichev}, Serdica 7, 306--319 (1981; Zbl 0487.49026)
Medeuov, E. U. Asymptotics of the solution of a singular Cauchy problem for a certain system of differential equations of hyperbolic type. (Russian) Zbl 0487.35011 Izv. Akad. Nauk Kaz. SSR, Ser. Fiz.-Mat. 1981, No. 5, 69-71 (1981). MSC: 35C20 35B25 35L45 PDFBibTeX XMLCite \textit{E. U. Medeuov}, Izv. Akad. Nauk Kaz. SSR, Ser. Fiz.-Mat. 1981, No. 5, 69--71 (1981; Zbl 0487.35011)
Niijima, Koichi Approximate solutions of singular perturbation problems with a turning point. (English) Zbl 0487.34064 Funkc. Ekvacioj, Ser. Int. 24, 259-280 (1981). MSC: 34E15 34A45 34E20 PDFBibTeX XMLCite \textit{K. Niijima}, Funkc. Ekvacioj, Ser. Int. 24, 259--280 (1981; Zbl 0487.34064)