Перегляд за автором "Zhang Xirong"

Сортувати за: Порядок: Результатів:

  • Stepanets, O.I.; Wang Kunyang; Zhang Xirong (Український математичний журнал, 1999)
    We introduce the notion of generalized ψ¯ -derivatives for functions locally integrable on the real axis and investigate problems of approximation of the classes of functions determined by these derivatives with the use ...
  • Guo, P.; Zhang Xirong (Український математичний журнал, 2011)
    A finite group G is called an MSP-group if all maximal subgroups of the Sylow subgroups of G are Squasinormal in G. In this paper, wc give a complete classification of those groups which are not MSP-groups but whose proper ...