%0 Journal Article %A Karátson, J. %A Simon, P.L. %T Bifurcations for semilinear elliptic equations convex nonlinearity %J Electronic Journal of Differential Equations %D 1999 %V 1999 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a44/ %G en %F EJDE_1999__1999__a44