%0 Journal Article %T A Variational Characterization of the Fucik Spectrum and Applications %J Revista colombiana de matematicas %D 2010 %P 23-40 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/RCM_2010_44_1_a2/ %F RCM_2010_44_1_a2