%0 Journal Article %A Holden, Helge %A Karlsen, Kenneth H. %A Risebro, Nils H. %T On uniqueness and existence of entropy solutions of weakly coupled systems of nonlinear degenerate parabolic equations %J Electronic Journal of Differential Equations %D 2003 %V 2003 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a149/ %G en %F EJDE_2003__2003__a149