%0 Journal Article %A V. L. Levin %T On subdifferentials and continuous extensions with preservation of a measurable dependence on a parameter %J Funkcionalʹnyj analiz i ego priloženiâ %D 1976 %P 84-85 %V 10 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1976_10_3_a12/ %G ru %F FAA_1976_10_3_a12