Author: Tuyen, Ong V.

Tuyen, Luong Q.; Tuyen, Ong V.; Tuan, Phan D.; Truc, Nguzen X.: About $wcs$-covers and $wcs^*$-networks on the Vietoris hyperspace $\mathcal F(X)$. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 64 (2023), issue 4, pp. 519-527
Tuyen, Luong Q.; Tuyen, Ong V.: On the $n$-fold symmetric product of a space with a $\sigma$-$(P)$-property $cn$-network ($ck$-network). (English). Commentationes Mathematicae Universitatis Carolinae, vol. 61 (2020), issue 2, pp. 257-263

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