%0 Journal Article
%A Junk,  Michael
%T On \(2\times 2\) systems of conservation laws with fluxes that are entropies
%J Electronic journal of differential equations
%D 2003
%V 2003
%U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a74/
%G en
%F EJDE_2003__2003__a74