Differentsial'nye Uravneniya
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1975, Volume 11, Number 8  


Ordinary Differential Equations
The controllability of linear functional-differential systems
S. Yu. Kultyshev
1355–1360
Local uniqueness and existence of the solution of boundary value problems
A. Ya. Lepin, V. D. Ponomarev
1361–1365
The topological equivalence of differential equations
G. S. Osipenko
1366–1374
The topological equivalence of structurally stable three-dimensional systems without periodic trajectories
S. Yu. Pilyugin
1375–1387
A certain method of investigating the periodic solutions of systems with a small parameter multiplying the derivatives
V. I. Rozhkov
1388–1395
The completeness in the space of analytic functions of a system of functions that is generated by the solutions of an $n$th order differential equation
V. V. Ryndina
1396–1408
Occurrence of invariant sets in the neighborhood of the equilibrium position
A. M. Samoilenko, I. V. Polesya
1409–1415
Poisson stability in dispersive dynamical systems
K. S. Sibirskii, N. K. Cheban
1416–1426
The power asymptotic behavior of a nonautonomous homogeneous and quasihomogeneous system
A. A. Shestakov
1427–1436

Partial Differential Equations
The mutual imbedding of a weighted closure of the compactly supported functions and a weighted Sobolev space of functions with zero values on the boundary of the domain
J. V. Rybalov
1437–1452
The uniqueness of the solution of the Cauchy problem with data on a segment of the time axis for a degenerate parabolic equation
S. P. Shishatskii
1453–1459

Finite difference equations
The oscillation of the solutions of nonlinear difference equations
Ya. V. Bykov, G. D. Merzljakova, E. I. Shevtsov
1460–1473
An investigation of the neighborhood of an invariant toroidal manifold of a system of difference equations
D. I. Martynyuk
1474–1484
The support principle in discrete processes
H. Sh. Pham
1485–1496

Short Communications
The measure of nonregularity of quasitriangular systems
A. Azamov
1497–1500
A certain generalization of N. N. Krasovskiǐ's condition for the controllability of nonstationary systems
V. T. Borukhov
1501–1502
Autooscillations and stability of a second order piecewise linear system with lag
Yu. Ya. Dusavitsky
1503–1505
Singularity of an orbit that contains a singular point
I. P. Karklin'
1506–1507
A certain class of third order systems without movable critical points
I. A. Konoplyannik
1508–1511
A connection between controllability and stability in control problems
V. I. Korobov
1512–1515
Integration in geschlossener Form und asymptotisches Verhalten von Lösungen linearer gewöhnlicher Differentialgleichungen vierter Ordnung
E. S. Kostenko
1516–1517
The use of group invariance in branching theory
B. V. Loginov, V. A. Trenogin
1518–1521
The solvability of the Reissner equations of a circular plane membrane for a certain case of the load
V. V. Mel'nik
1522–1525
Admissibility of certain function spaces and dichotomy of the solutions for equations with constant coefficients
V. M. Tyurin
1526–1528
 
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