%0 Journal Article %A Alves, C.O. %T Multiple positive solutions for equations involving critical Sobolev exponent in $\bbfR\sp N$ %J Electronic Journal of Differential Equations %D 1997 %V 1997 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1997__1997__a31/ %G en %F EJDE_1997__1997__a31