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1988, Volume 24, Number 4  


Ordinary Differential Equations
Absorbing sets of systems of hydrodynamic type
E. V. Galaktionov, A. S. Silbergleit
555–563
The domain of existence of the solution of a boundary value problem for the Emden–Fowler equation
G. P. Grizan
563–566
On the manifold of controllable processes in a nonlinear Lagrange problem
A. Kosha
566–570
Pseudostability and first prolongations
B. S. Kalitin
571–574
Necessary and sufficient conditions for equiconvergence with trigonometric series of spectral expansions in a system of eigen- and associated functions of the Schrödinger operator
V. M. Kurbanov
574–583
A criterion for the discreteness of the spectrum of the general Sturm–Liouville operator, and embedding theorems connected with it
R. Oinarov, M. Otelbaev
584–591
Conditions for the continuity of the highest exponent of a linear extension of a dynamical system
M. I. Rakhimberdiev
591–600
Synthesis of a decomposing control in nonlinear dynamical systems
V. I. Sokolov
600–613
Investigation of the stability of linear systems of neutral type by the method of Lyapunov functions
D. Ya. Khusainov, E. A. Yun'kova
613–621

Partial Differential Equations
On an inverse problem of the theory of the propagation of electromagnetic waves
A. A. Goncharenko, V. F. Kravchenko, V. I. Ponomarev
622–627
On boundary value problems for a mixed equation of hyperbolic-parabolic type
V. A. Eleev
627–635
Exact solutions of a problem of crystallization of filterable solutions
G. G. Yelenin, V. V. Krylov, N. V. Sosnin
635–644
On the mixed problem $M$ when the domain of parabolicity is two-dimensional
M. M. Zainulabidov
644–649
A theorem on an oblique derivative for second-order parabolic equations that admit weak degeneration. I
L. I. Kamynin
650–661
Fundamental solutions of differential equations of a certain class in anisotropic spaces of generalized functions
A. P. Chernyaev
661–672
Embedding theorems and their applications to degenerate equations
V. B. Shakhmurov
672–682

Short Communications
Limit cycles of a system of differential equations
N. N. Dedok
683–684
On the problem of the existence of an invisible scatterer in diffraction theory
Yu. A. Eremin
684–687
On structurally stable polynomial diffeomorphisms of the unit circle
E. K. Ershov
687–689
On a boundary value problem for ordinary differential equations
Yu. A. Klokov
690–692
On an equation of attainable sets of differential inclusions
V. A. Komarov
692–694
On orbital stability of trajectories of autonomous systems
G. A. Leonov
694–695
On the stability of bifurcating solutions
B. V. Loginov, L. R. Kim-Tyan
695–698
A mixed boundary value problem of heat conduction for a rotating cylinder of finite length
R. S. Minasyan
698–701
On a boundary value problem on a graph
O. M. Penkin, Yu. V. Pokornyi
701–703
Basis properties of eigenfunctions of a boundary value problem in the case of a multiple root of the characteristic polynomial
A. S. Pechentsov
703–705
On the number of eigenvalues of the Sturm–Liouville problem on the semiaxis with a potential that is linear with respect to the parameter
V. N. Pivovarchik
705–708
A boundary value problem for a singularly perturbed nonlinear parabolic equation
M. M. Sabzaliev
708–711
On the problem of the determination of the right-hand side of the heat equation
G. P. Smirnov, M. A. Fatykhov
711–714
On a generalization of the Neumann problem
V. B. Sokolovskii
714–716
On the solvability of a mixed problem for an inhomogeneous hyperbolic equation
V. A. Chernyatin
717–720
Nonsmooth Lyapunov functions
M. K. Yakovlev
720–723
A nonlocal problem for a system of equations of Helmholtz type
T. V. Chekmarev
724–726
On the tree points controllability of the linear complete integrable Pfaff systems
O. V. Khramtsov
726–727
Isolation of meromorphic solutions of the Euler system in some special cases
A. I. Yablonskii, S. A. Myzgaeva
728–729
 
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