%0 Journal Article
%A A. L. Krylov
%A A. E. Lifshits
%T On hyperbolic systems with nonpropagating perturbations
%J Doklady Akademii Nauk
%D 1980
%P 1048-1051
%V 252
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1980_252_5_a5/
%G ru
%F DAN_1980_252_5_a5