Growth of a mixed derivative of a function of\(C^{(l_1 , l_2 )}\) O. V. Besov OriginalPaper Pages: 201 - 206
Absolute convergence of Fourier series with respect to bounded systems S. V. Bochkarev OriginalPaper Pages: 207 - 211
Equisummability in the sense of M. Riesz of expansions in certain systems of exponential functions V. A. Molodenkov OriginalPaper Pages: 218 - 221
Summability of series with respect to a Haar system by the (C, 1) method L. A. Shaginyan OriginalPaper Pages: 226 - 233
Uniqueness of the solution of a second-order hyperbolic equation in a normal cylinder S. M. Ponomarev OriginalPaper Pages: 255 - 259
A remark concerning the theory of scattering for a perturbed polyharmonic operator D. R. Yafaev OriginalPaper Pages: 260 - 265
Expansion in characteristic functions of the Schrödinger operator with a singular potential G. N. Gestrin OriginalPaper Pages: 266 - 272
Peano's theorem in an infinite-dimensional Hilbert space is false even in a weakened formulation A. N. Godunov OriginalPaper Pages: 273 - 279
Mean value theorem and a maximum principle for Kolmogorov's equation L. P. Kuptsov OriginalPaper Pages: 280 - 286
Bicompact extensions with the first axiom of countability and continuous mappings V. M. Ul'yanov OriginalPaper Pages: 287 - 291
Number of equivalence classes of weakly equivalent lattices I. A. Levina OriginalPaper Pages: 292 - 295