%0 Journal Article
%A Piotr Gwiazda
%A Agnieszka /Swierczewska
%T An $L^1$-stability and uniqueness result for
 balance laws with multifunctions: a model
 from the theory of granular media
%J Colloquium Mathematicum
%D 2004
%P 149-162
%V 100
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm100-2-1/
%R 10.4064/cm100-2-1
%G en
%F 10_4064_cm100_2_1