%0 Journal Article
%A O. A. Ladyzhenskaya
%A L. Stupyalis
%T Boundary value problems for equations of mixed type
%J Informatics and Automation
%D 1971
%P 101-136
%V 116
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1971_116_a8/
%G ru
%F TRSPY_1971_116_a8