%0 Journal Article
%A M. Kh. Abregov
%T A certain problem for the Tricomi equation
%J Differencialʹnye uravneniâ
%D 1973
%P 5-17
%V 9
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1973_9_1_a1/
%G ru
%F DE_1973_9_1_a1