%0 Journal Article
%A V. F. Krotov
%T The principle problem of the calculus of variations for the simplest functional on a set of discontinuous functions
%J Doklady Akademii Nauk
%D 1961
%P 31-34
%V 137
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1961_137_1_a6/
%G ru
%F DAN_1961_137_1_a6