%0 Journal Article
%A A. B. Bazarbekov
%T Smoothness of the solution of the Tricomi problem for equations of mixed type
%J Differencialʹnye uravneniâ
%D 1989
%P 816-822
%V 25
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_5_a10/
%G ru
%F DE_1989_25_5_a10