%0 Journal Article
%A V. Kh. Froim
%T Some partial differential equations that are degenerate on a hyperplane
%J Differencialʹnye uravneniâ
%D 1977
%P 1446-1453
%V 13
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_8_a10/
%G ru
%F DE_1977_13_8_a10