%0 Journal Article
%A M. D. Bronšteǐn
%T The Cauchy problem for hyperbolic operators with characteristics of variable multiplicity
%J Trudy Moskovskogo matematičeskogo obŝestva
%D 1980
%P 83-99
%V 41
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MMO_1980_41_a2/
%G ru
%F MMO_1980_41_a2