%0 Journal Article
%A G. D. Dachev
%T On some boundary value problems for a class of equations of mixed type
%J Doklady Akademii Nauk
%D 1980
%P 1037-1040
%V 250
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_250_5_a1/
%G ru
%F DAN_1980_250_5_a1