%0 Journal Article %A Fučík, Svatopluk %T Fredholm alternative for nonlinear operators in Banach spaces and its applications to the differential and integral equations (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1970 %P 271-284 %V 11 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1970__11_2_a5/ %G en %F CMUC_1970__11_2_a5