%0 Journal Article %A V. I. Arkin %A V. L. Levin %T Extreme points of a certain set of measurable vector functions of several variables and convexity of the values of vector integrals %J Doklady Akademii Nauk %D 1971 %P 1223-1226 %V 199 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1971_199_6_a0/ %G ru %F DAN_1971_199_6_a0