%0 Journal Article %A A. D. Ioffe %T Convex functions occurring in variational problems and the absolute minimum problem %J Sbornik. Mathematics %D 1972 %P 191-208 %V 17 %N 2 %U http://geodesic.mathdoc.fr/item/SM_1972_17_2_a1/ %G en %F SM_1972_17_2_a1