%0 Journal Article %A Alves, C.O. %T Multiple positive solutions for equations involving critical Sobolev exponent in \(\mathbb{R}^ N\) %J Electronic journal of differential equations %D 1997 %V 1997 %U http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a7/ %G en %F EJDE_1997__1997__a7