%0 Journal Article
%A M. E. Lerner
%T Maximum principles for equations of hyperbolic and mixed types in
%J Doklady Akademii Nauk
%D 1986
%P 550-554
%V 287
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1986_287_3_a8/
%G ru
%F DAN_1986_287_3_a8