%0 Journal Article %A Cheng, Yuanji %T Bifurcation of positive solutions for a semilinear equation with critical Sobolev exponent %J Electronic Journal of Differential Equations %D 2006 %V 2006 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2006__2006__a20/ %G en %F EJDE_2006__2006__a20