Miguel Caldas Cueva

069. On Weak Forms Of $\betha$-Open And $\betha$-Closed Functions

Math Journal: An. Stiint. Univ. Al. I. Cuza Iasi, Ser. Noua, Mat. ISSN 1221-8421.  v.49, p. 115-128, 2003
Authors: Caldas M. and  Navalagi, G.