%0 Journal Article %A Invernizzi, Sergio %T A note on nonuniform nonresonance for jumping nonlinearities %J Commentationes Mathematicae Universitatis Carolinae %D 1986 %P 285-291 %V 27 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1986__27_2_a7/ %G en %F CMUC_1986__27_2_a7