%0 Journal Article
%A A. S. Berdyshev
%T Nonlocal boundary value problems for an equation of mixed type in a domain with departure from a characteristic
%J Differencialʹnye uravneniâ
%D 1993
%P 2117-2124
%V 29
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1993_29_12_a8/
%G ru
%F DE_1993_29_12_a8