%0 Journal Article %A Tuyen, Luong Q. %A Tuyen, Ong V. %T On the $n$-fold symmetric product of a space with a $\sigma$-$(P)$-property $cn$-network ($ck$-network) %J Commentationes Mathematicae Universitatis Carolinae %D 2020 %P 257-263 %V 61 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14712/1213-7243.2020.025/ %R 10.14712/1213-7243.2020.025 %G en %F 10_14712_1213_7243_2020_025