Rate of approximation by rectangular partial sums of double orthogonal series V. A. Andrienko OriginalPaper Pages: 243 - 266
О ДИФФЕРЕНцИРОВАНИИ ИНтЕгРАлОВ От ФУНкцИ И Иж сИММЕтРИЧНых пРОс тРАНстВ ДИФФЕРЕНцИАльНыМИ Б АжИсАМИ Е. И. БЕРЕжНОИ OriginalPaper Pages: 267 - 288
Lacunary (0; 0, 1) interpolation on the roots of Jacobi polynomials and their derivatives, respectively. I (Existence, explicit formulae, unicity) I. JoóL. G. Pál OriginalPaper Pages: 289 - 298
On the interrelation of the generalized Besov-Nikol'skii and Weyl-Nikol'skii classes of functions M. K. PotapovB. V. Simonov OriginalPaper Pages: 299 - 316
