%0 Journal Article
%A S. I. Pokhozhaev
%T On a~priori Estimates and Gradient Catastrophes of Smooth Solutions to Hyperbolic Systems of Conservation Laws
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2003
%P 257-288
%V 243
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_2003_243_a18/
%G ru
%F TM_2003_243_a18