%0 Journal Article
%A S. I. Fedorov
%T Existence of a solution of a boundary value problem of a class of
%J Doklady Akademii Nauk
%D 1987
%P 1065-1068
%V 296
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_296_5_a8/
%G ru
%F DAN_1987_296_5_a8