%0 Journal Article
%A K. B. Sabitov
%T On the theory of equations of mixed parabolic-hyperbolic type with a spectral parameter
%J Differencialʹnye uravneniâ
%D 1989
%P 117-126
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_1_a13/
%G ru
%F DE_1989_25_1_a13