Distribution of ovals of the real plane of algebraic curves, of involutions of four-dimensional smooth manifolds, and the arithmetic of integer-valued quadratic forms V. I. Arnol'd OriginalPaper Pages: 169 - 176
Finiteness theorem for families of vector fields in the neighborhood of a Poincaré-type singularity N. N. Brushlinskaya OriginalPaper Pages: 177 - 181
Ergodic properties of an ideal gas with an infinite number of degrees of freedom K. L. VolkovysskiiYa. G. Sinai OriginalPaper Pages: 185 - 187
Grothendieck topology and the theory of representations A. Yu. Geronimus OriginalPaper Pages: 188 - 196
Almost invariant spectral properties of a contraction and multiplicative properties of analytic operator-functions Yu. P. Ginzburg OriginalPaper Pages: 197 - 205
Solvability of nonlinear operator equations P. P. ZabreikoM. A. Krasnosel'skii OriginalPaper Pages: 206 - 208
Unitary representations of the group of diffeomorphisms of a circle R. S. Ismagilov OriginalPaper Pages: 209 - 216
Defective subspaces and generalized resolvents of an Hermitian operator in the space Πϰ M. G. KreinG. K. Langer OriginalPaper Pages: 217 - 228
Double completeness of the system of eigenfunctions and associated functions of the regge problem B. L. Kogan OriginalPaper Pages: 229 - 232
Two nonisomorphic dynamical systems with the same simple continuous spectrum V. I. Oseledets OriginalPaper Pages: 233 - 236
On entropy invariants of decreasing sequences of measurable partitions A. M. Stepin OriginalPaper Pages: 237 - 240
Distribution of the eigenvalues for differential operators with constant coefficients V. N. Tulovskii OriginalPaper Pages: 241 - 245
Tensor and cross products of factors of type III V. Ya. Golodets Brief Communications Pages: 250 - 251
Hypoelliptic convolution equations and Gevrey classes N. G. Kuznetsov Brief Communications Pages: 252 - 253
Estimates of curvature of Bergman metric, invariant under biholomorphic mappings B. Ya. Lebed’ Brief Communications Pages: 254 - 255
Problems with oblique derivatives in regions with piecewise smooth boundaries V. G. Maz'yaB. A. Plamenevskii Brief Communications Pages: 256 - 258
The radiative transport equation and operator Wiener-Hopf equations I. A. Fel'dman Brief Communications Pages: 262 - 264