%0 Journal Article %A A. V. Osipov %T Different kinds of closedness in $S(n)$-spaces %J Trudy Instituta matematiki i mehaniki %D 2003 %P 131-136 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/TIMM_2003_9_1_a15/ %G ru %F TIMM_2003_9_1_a15