%0 Journal Article %A Yarur, Cecilia S. %T Existence of continuous and singular ground states for semilinear elliptic systems %J Electronic Journal of Differential Equations %D 1998 %V 1998 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1998__1998__a3/ %G en %F EJDE_1998__1998__a3