%0 Journal Article %A Kong, De-xing %T A necessary and sufficient condition for the diagonalization of multi-dimensional quasilinear systems %J Electronic Journal of Differential Equations %D 1999 %V 1999 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a115/ %G en %F EJDE_1999__1999__a115