%0 Journal Article %A P. Oppezzi %A A. M. Rossi %T Existence of Solutions for Unilateral Problems with Multivalued Operators %J Journal of convex analysis %D 1995 %P 241-262 %V 2 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_1995_2_1-2_a15/ %F JCA_1995_2_1-2_a15