%0 Journal Article
%A V. A. Lebedev
%T Certain properties of an elliptic problem of Sobolev
%J Differencialʹnye uravneniâ
%D 1977
%P 758-760
%V 13
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_4_a24/
%G ru
%F DE_1977_13_4_a24