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1986, Volume 22, Number 2
Ordinary Differential Equations
Pseudostability of closed invariant sets
B. S. Kalitin
187–193
Linear Hamiltonian systems that are not solved with respect to the derivative
G. A. Kurina
193–198
Generalized solvability of nonlinear boundary value problems
A. Ya. Lepin, L. A. Lepin, V. D. Ponomarev
198–203
A case of time-optimality for a linear homogeneous system
E. K. Makarov
203–208
Third-order systems without moving critical singularities
I. P. Martynov
209–215
Generic properties of conditional exponential stability. XIV
V. M. Millionshchikov
216–223
A criterion for stabilizability of dynamic systems with finite-dimensional input
S. A. Nefedov, F. A. Sholokhovich
223–228
On the asymptotics and structure of the integral
$O$
-set of a singular system. I
S. K. Norkin
228–236
Phase inclusions in optimal control problems
V. I. Plotnikov, I. M. Starobinets
236–247
A time-optimality problem for a stochastic controllable system
I. P. Smirnov
247–254
A class of methods for studying the asymptotic behavior of the solutions of differential equations with closed operators
M. M. Khapaev, K. V. Mal'kov
255–267
Quasiperiodic solutions of dissipative systems with quasiperiodic coefficients
D. N. Cheban
267–278
Partial Differential Equations
The method of descent and singular solutions of an equation of the dynamics of a stratified fluid
S. A. Gabov, P. V. Shevtsov
279–285
A problem from the wave theory of mechanical impact
S. I. Gaiduk, G. M. Zayats
285–298
A general mixed problem of diffraction of a plane electromagnetic wave falling obliquely on a circular opening in a flat screen between two media
E. A. Ivanov
298–304
Uniqueness of the solution of linear boundary value problems for a second-order degenerate parabolic equation in an unbounded domain. II
L. I. Kamynin
305–315
A special class of Green formulas
N. G. Marchuk
315–326
Sufficient conditions for optimality in nonsmooth problems of optimal control of distributed systems
M. I. Sumin
326–337
The variational principle for hypoelliptic equations with constant coefficients
V. M. Filippov
338–343
Short Communications
On solvability conditions and
$L_2$
-estimates of the solution of a problem for a system of equations of mixed type in a half-space
M. A. Abdrachmanov
344–345
Задача оптимального управления линейной системой с неразделенными двухточечными граничными условиями
F. A. Aliev
345–347
On the investigation of conditions for the stability of the Mathieu equation with damping
N. A. Bodunov, F. F. Kotchenko
347–348
On the theory of linear equations in complete derivatives
I. V. Gaishun
349
Construction of the Lagrangian from given first integrals
A. A. German
350–352
Mixed boundary value problems in a finite cylinder for an equation not in explicit form according to the derivative with respect to the time
N. I. Zobern
352–353
The Laplace method and second-order differential equations with second-order polynomial coefficients
A. Ya. Kazakov
354–356
A boundary value problem of Hilbert problem type for a pair of functions that are analytic in bidomains
V. A. Kakichev
356–360
A theorem on the generalized second method of Lyapunov
I. V. Kuznetsova
360–362
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