%0 Journal Article %A P. P. Mosolov %T The problem of the minimum of a functional %J Izvestiya. Mathematics %D 1967 %P 1235-1254 %V 1 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1967_1_6_a5/ %G en %F IM2_1967_1_6_a5