%0 Journal Article %A M. M. Choban %T Multivalued mappings and spaces with a countable net %J Doklady Akademii Nauk %D 1969 %P 1023-1026 %V 186 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_186_5_a10/ %G ru %F DAN_1969_186_5_a10