The order of approximation by partial sums of lacunary series in Banach spaces V. F. Gaposhkin OriginalPaper Pages: 792 - 796
The existence of a best approximating element in (F)-space with integral metric A. L. Garkavi OriginalPaper Pages: 797 - 802
Conditions for the localization of partial sums of S. M. Nikol'skii's class of multiple trigonometric Fourier series V. A. Il'in OriginalPaper Pages: 803 - 809
Convergence of Riemann sums for functions which can be represented by trigonometric series with coefficients forming a monotonic sequence B. V. Pannikov OriginalPaper Pages: 810 - 816
Quasiconvex uniform-convergence factors for Fourier series of functions with a given modulus of continuity S. A. Telyakovskii OriginalPaper Pages: 817 - 819
Some estimates of solutions of degenerate (k, o)-elliptic equations L. P. Kuptsov OriginalPaper Pages: 820 - 826
Newton's method for the solution of systems of equalities and inequalities B. N. Pshenichnyi OriginalPaper Pages: 827 - 830
Trigonometric sums with exponential functions and the distribution of signs in repeating decimals N. M. Korobov OriginalPaper Pages: 831 - 837
Characteristic properties of strong integral and strong B-integral self-adjoint operators V. B. Korotkov OriginalPaper Pages: 838 - 842
