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Author: Tuan, Phan D.

• 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