%0 Journal Article
%A V. N. Koshelev
%T A~theorem of existence for variational problems on a~set of discontinuous functions
%J Izvestiâ vysših učebnyh zavedenij. Matematika
%D 1977
%P 53-59
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IVM_1977_4_a6/
%G ru
%F IVM_1977_4_a6