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• Volume 61

Author: Tuyen, Ong V.

• 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