%0 Journal Article
%A M. E. Lerner
%T On a problem for a model equation of mixed elliptic-parabolic-hyperbolic type in a domain with a doubly connected subdomain of hyperbolicity
%J Differencialʹnye uravneniâ
%D 1992
%P 1456-1459
%V 28
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a23/
%G ru
%F DE_1992_28_8_a23