摘要
在A.P.Sostak给出的L-smooth拓扑空间中,定义r-内部与r-闭包,r-半开集与r-半闭集,研究了它们的一些基本性质.
In this paper we introduce L-smooth semi -open and L-smooth semi-closed sets in an L-smooth topological space in view of the definition of A. P. Sostak[1], investigate some of their properties and achieve some basic results.
出处
《锦州师范学院学报（自然科学版）》
2002年第4期57-59,共3页
Journal of Jinzhou Normal College (Natural Science Edition)
