%0 Journal Article
%A G. D. Karatoprakliev
%T On the theory of boundary value problems for mixed type equations in multidimensional domains. I
%J Differencialʹnye uravneniâ
%D 1977
%P 64-75
%V 13
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1977_13_1_a9/
%G ru
%F DE_1977_13_1_a9