Differ. Uravn., 1983, Volume 19, Number 8

JOURNALS // Differentsial'nye Uravneniya // Archive

1983, Volume 19, Number 8

Ordinary Differential Equations
	Behavior at infinity of optimal trajectories of an object V. G. Boltyanskii	1291
	Investigation of the stability of solutions of certain nonlinear multidimensional differential systems L. I. Burganskaya	1300
	Estimation of the growth of solutions of a piecewise constant system B. F. Bylov, È. A. Tikhonova	1310
	The spectrum and spectral singularities of differential operators with periodic complex-valued coefficients O. A. Veliev	1316
	Problems of optimization with controls in the coefficients of a parabolic equation A. D. Iskenderov, R. K. Tagiyev	1324
	On the question of the construction of periodic solutions of nonautonomous differential equations V. N. Laptinskii	1335
	Typical properties of conditional exponential stability. I V. M. Millionshchikov	1344
	Invariant and stable families of sets with respect to differential inclusions T. Nguyễn	1357
	The “Cossack-robber” differential game N. N. Petrov, N. Nikandrovich Petrov	1366
	Stability under constantly acting perturbations N. V. Puhareva	1374
	Sharp estimates for eigenfunctions of an arbitrary nonselfadjoint Schrödinger operator V. V. Tikhomirov	1378
	Global phase portrait of a two-dimensional system of a special type Sh. R. Sharipov, A. M. Matvienko	1385

Partial Differential Equations
	Divergence of expansions in eigenfunctions A. I. Bastis	1390
	An analogue of the Phragmén–Lindelöf theorem M. D. Bronshtein	1400
	On the Landau equation O. E. Buryak	1406
	Addition theorems connected with toroidal, cylindrical and spherical harmonic functions V. T. Erofeenko	1416
	Boundary value problems for operator-differential equations of mixed type N. V. Kislov	1427
	On the problem of determining the right-hand side of a hyperbolic system D. G. Orlovskii	1437

Short Communications
	Linear systems with a triangular reflecting function L. A. Al'sevich	1446
	Stability of solutions of some classes of linear differential equations with oscillating coefficients V. Sh. Burd	1450
	Determination of the domain of exponential stability of systems of differential equations M. I. Gil'	1452
	Refinement of bounds for highest exponents in the freezing method N. A. Izobov	1454
	A counterexample in the theory of difference operators A. G. Kamenskii	1457
	An approximate solution of the Stefan problem on an interval S. A. Labutin	1458
	Conditions for the absence of circular motions in $n$-connected Froude pendulums of different masses V. S. Serebryakova	1462