%0 Journal Article %A Chung, Nguyen Thanh %T Existence of weak solutions for a nonuniformly elliptic nonlinear system in $\Bbb R^N$ %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a89/ %G en %F EJDE_2008__2008__a89