On the growth order of partial sums of non-orthogonal series V. F. Gapoškin OriginalPaper Pages: 105 - 119
Summation byT(C)-class methods in linear topological spaces N. N. Holščevnikova OriginalPaper Pages: 137 - 155
On the strong approximation by the (C, α)-means of Fourier series. II V. Totik OriginalPaper Pages: 165 - 184