%0 Journal Article %A V. Kuznetsov %T Spaces of closed subsets %J Doklady Akademii Nauk %D 1968 %P 1248-1251 %V 178 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_178_6_a5/ %G ru %F DAN_1968_178_6_a5