%0 Journal Article
%A A. V. Bitsadze
%A A. M. Nakhushev
%T On the theory of equations of mixed type in multidimensional domains
%J Differencialʹnye uravneniâ
%D 1974
%P 2184-2191
%V 10
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1974_10_12_a9/
%G ru
%F DE_1974_10_12_a9