%0 Journal Article
%A E. B. Pekar
%T Relationship between convexity and smoothness in problems of variational calculus
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1985
%P 9-13
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1985_2_a2/
%G ru
%F VMUMM_1985_2_a2