%0 Journal Article %A Kristály, Alexandru %T A double eigenvalue problem for Schrödinger equations involving sublinear nonlinearities at infinity %J Electronic journal of differential equations %D 2007 %V 2007 %U http://geodesic.mathdoc.fr/item/EJDE_2007__2007__a247/ %G en %F EJDE_2007__2007__a247