%0 Journal Article %A V. L. Levin %T Measurable selections of multivalued mappings into topological spaces and upper envelopes of Caratheodory integrands %J Doklady Akademii Nauk %D 1980 %P 535-539 %V 252 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_252_3_a4/ %G ru %F DAN_1980_252_3_a4