%0 Journal Article
%A A. S. Rustamov
%T A mixed problem for an equation of composite type with variable coefficients
%J Differencialʹnye uravneniâ
%D 1982
%P 1794-1804
%V 18
%N 10
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1982_18_10_a17/
%G ru
%F DE_1982_18_10_a17