%0 Journal Article
%A L. Stupyalis
%T Boundary value problems for elliptic-hyperbolic equations
%J Informatics and Automation
%D 1973
%P 211-229
%V 125
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1973_125_a13/
%G ru
%F TRSPY_1973_125_a13