共 8 条
[1]
Babenko K. I., 1971, PREPRINT
[2]
Bary N.K., 1964, A treatise on trigonometric series, VI
[3]
Djachenco M. I, 1990, ANAL MATH, V16, P173
[7]
Nikolskii S. M., 1975, Approximation of Functions of Several Variables and Imbedding Theorems, V205
[8]
Zhizhiashvili L. V., 1975, SOOBSHCH AKAD NAUK G, V80, P17