Extension theory for symmetric operators and boundary value problems for differential equations V. I. GorbachukM. L. GorbachukA. N. Kochubei OriginalPaper Pages: 1117 - 1129
Existence of a nonzero periodic solution of a singularly perturbed system of ordinary differential equations M. T. TerekhinM. O. Vansovich OriginalPaper Pages: 1133 - 1137
Probabilistic method for a class of functional-differential equations G. A. Derfel' OriginalPaper Pages: 1137 - 1141
Criterion for the unique solvability of the cauchy problem in the class C∞ for differential equations with a polynomial transformation of the argument B. M. Karelin OriginalPaper Pages: 1141 - 1146
Limit distribution for processes with semi-Markov interference of chance Ya. I. Eleiko OriginalPaper Pages: 1146 - 1150
Ochan topologies on the space of closed subgroups I. V. ProtasovV. S. Stukotilov OriginalPaper Pages: 1150 - 1154
Solvability of a problem with an unknown boundary between the domains of a parabolic and an elliptic equations B. V. BazaliiS. P. Degtyarev OriginalPaper Pages: 1155 - 1160
Galilei invariant non-linear equations of schrödinger type and their exact solutions. I V. I. FushchichR. M. Cherniga OriginalPaper Pages: 1161 - 1167
Limiting behavior of an oscillatory system in the presence of random perturbations of the parameters of the system. I I. V. Skorokhod OriginalPaper Pages: 1168 - 1173
Necessary and sufficient conditions for convergence to zero of a multidimensional Gaussian Markov sequence S. A. Solntsev OriginalPaper Pages: 1174 - 1179
Oscillation of the solutions of a certain class of first-order functional-differential equations of neutral type A. F. IvanovT. Kusano OriginalPaper Pages: 1179 - 1183
On the L1-theory of parabolic semigroups V. F. KovalenkoYu. A. Semenov OriginalPaper Pages: 1183 - 1187
The green function and conditions for the existence of invariant sets of impulse systems V. I. Tkachenko OriginalPaper Pages: 1187 - 1190
Factorization of hermitian matrix-valued functions and classification of shifts in a space with indefinite metric I. M. Spitkovskii Brief Communications Pages: 1195 - 1197
Distribution of passage time for a random walk on a finite solvable group Yu. D. Zhdanova Brief Communications Pages: 1201 - 1204
Normal structure of sylow p-subgroups of the restricted linear group E. G. Kosman Brief Communications Pages: 1204 - 1208
Action of an operator with nonclosed range on orthonormal bases in a Hilbert space V. V. Shevchik Brief Communications Pages: 1208 - 1211
Convergence on segments and convexity theorems N. N. Bilotskii Brief Communications Pages: 1212 - 1215
Construction of solutions of two-point boundary problems for weakly perturbed nonlinear systems in critical cases A. A. Boichuk Brief Communications Pages: 1219 - 1223
Criterion for ergodicity of homogeneous discrete Markov chains Yu. P. Filonov Brief Communications Pages: 1223 - 1225
An estimate of the complexity of the approximate solution of fredholm equations of the second kind with differentiable kernels S. V. Pereverzev Brief Communications Pages: 1225 - 1227
Smoothness with respect to a parameter of an exponentially dichotomous invariant torus of a quasilinear system of differential equations O. V. Shpakovich Brief Communications Pages: 1228 - 1230
Distribution of zeros of certain meromorphic functions V. M. Chevskii Brief Communications Pages: 1230 - 1232
Structure of a family of commuting J-self-adjoint operators V. A. Shtraus Brief Communications Pages: 1232 - 1234