%0 Journal Article %A Jianhua Shen %A Ying Ge %A Zhihong Ge %T A~note on weakly hereditarily closure-preserving families %J Sibirskie èlektronnye matematičeskie izvestiâ %D 2006 %P 253-256 %V 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SEMR_2006_3_a16/ %G en %F SEMR_2006_3_a16