%0 Journal Article %A A. G. Kusraev %T Openness of convex measurable correspondences %J Matematičeskie zametki %D 1983 %P 41-48 %V 33 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1983_33_1_a4/ %G ru %F MZM_1983_33_1_a4