%0 Journal Article
%A N. I. Brisch
%T Mixed problems for certain semihyperbolic equations
%J Differencialʹnye uravneniâ
%D 1969
%P 2200-2215
%V 5
%N 12
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1969_5_12_a6/
%G ru
%F DE_1969_5_12_a6