%0 Journal Article
%A L. Stupyalis
%T Initial-boundary value problems for equations of mixed type
%J Informatics and Automation
%D 1975
%P 115-145
%V 127
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1975_127_a8/
%G ru
%F TRSPY_1975_127_a8