Vol 49 No 9 (1997) | Ukrains’kyi Matematychnyi Zhurnal

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Published: 25.09.1997

Anniversaries

Bohdan Iosypovych Ptashnyk

1155–1156
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Research articles

On one direct method for the approximate solution of a periodic boundary-value problem

M. Azizov

1157–1161
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A unified approach for univalent functions with negative coefficients using the Hadamard product

E. Q. Assiri, M. L. Mogra

1162–1170
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Tangential limit values of a biharmonic poisson integral in a disk

S. B. Hembars'ka

1171–1176
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Investigation of stabilization of a mathematical model of a dynamical system with random influence in the resonance case

I. A. Dzhalladova

1177–1181
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On the existence of a solution of a quasilinear mixed problem for a quasiwave equation

V. G. Kolomiyets, I. V. Komashinskaya

1182–1185
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Singular perturbations of finite rank. Point spectrum

V. D. Koshmanenko, O. V. Samoilenko

1186–1194
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Boltzmann-Enskog limit for equilibrium states of systems of hard spheres in the framework of a canonical ensemble

M. Lampis, D. Ya. Petrina

1195–1205
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The problem of extension for two-parameter kernels

A. S. Lavrent'ev, Yu. S. Mishura

1206–1212
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On the stability of an invariant torus

S. I. Dudzyanyi, N. A. Perestyuk

1212-1222
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On Navier-Stokes fields with linear vorticity

G. V. Popovich, R. O. Popovich

1223–1229
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New polynomials of knots

O. O. Prishlyak

1230–1235
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Multipoint problem for typeless systems of differential equations with constant coefficients

B. I. Ptashnik, L. P. Sylyuha

1236–1249
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On estimates of approximation characteristics of the Besov classes of periodic functions of many variables

A. S. Romanyuk

1250–1261
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Lie symmetries and exact solutions of nonlinear equations of heat conductivity with convection term

N. I. Serov, R. M. Cherniga

1262–1270
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On information complexity of certain classes of operator equations

S. G. Solodkii

1271–1277
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On some properties of degenerate linear systems

V. P. Yakovets

1278–1296
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