Ordinary Differential Equations


A certain qualitative characterization of the class of reducible systems with quasiperiodic coefficients I. N. Blinov

955 

Behavior of the norm of the integral matrix of a certain twodimensional system of differential equations in the neighborhood of a singular point of the system P. B. Golokvoschyus

961 

On the theory of semiexplicit differential equations with retarded argument G. Ibragim

975 

A boundary value problem for a nonlinear differential equation of neutral type M. E. Drakhlin, T. K. Plyshevskaya

986 

Certain properties of the smaller exponent when there are Perron perturbations R. A. Prokhorova

997 

Ljapunov stability in discontinuous dynamical systems V. F. Rozhko

1005 

Asymptotic behavior of the solutions of certain problems for a certain class of quasilinear systems of ordinary differential equations with a small parameter multiplying the derivative A. A. Shishkin

1013 

On the question of stability with respect to part of the variables G. S. Yudaev

1023 

Partial Differential Equations


The asymptotic behavior of the solutions of singularly perturbed equations of elliptic type in a rectangular domain V. F. Butuzov

1030 

Integral estimates of the fractional derivatives of the solutions of linear equations of elliptic type in the $L_2$ metric. I V. A. Krasnov, A. S. Fokht

1042 

The roots of the function $Ai'(z)\sigma Ai(z)$ L. A. Muravei

1054 

The behavior of the solutions of a certain parabolic equation in the neighborhood of the initial plane V. G. Sushko

1078 

Finite difference equations


The asymptotic behavior of the solutions of finite difference equations. II. Regular equations V. B. Demidovich

1091 

Integral Equations and IntegralDifferential


The spectrum of a certain class of linear integral equations with two parameters L. M. Likhtarnikov

1108 

Linear equations A. T. Taldykin

1118 

Short Communications


Solutions of linear systems in generalized functions I. Ya. Viner

1128 

On the problem of the analytic construction of optimal regulators for systems with periodic coefficients S. S. Voitenko, E. Ya. Smirnov

1131 

A certain new method for the approximate integration of systems of differential equations A. E. Gel'man

1133 

On Hartman's comparison theorem for second order linear equations I. V. Kamenev

1136 

A certain counterexample in the theory of positive solutions Yu. V. Komlenko

1138 

On a homotopy invariant G. S. Osipenko

1139 

Some spectral properties of an operator that is akin to a differential operator O. G. Storozh

1141 

Analytic properties of the solutions of a certain class of third order differential equations T. K. Shemjakina

1144 