%0 Journal Article %A Micheletti, Anna Maria %A Pistoia, Angela %T A multiplicity result for a class of superlinear elliptic problems. %J Portugaliae mathematica %D 1994 %P 219-229 %V 51 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/PORMA_1994__51_2_47165/ %G en %F PORMA_1994__51_2_47165