%0 Journal Article
%A M. S. Salakhitdinov
%A A. K. Urinov
%T Problems of Bitsadze--Samarskii type for an equation of mixed type
%J Doklady Akademii Nauk
%D 1991
%P 1058-1061
%V 317
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_317_5_a7/
%G ru
%F DAN_1991_317_5_a7