%0 Journal Article %A Fučík, Svatopluk %T Fixed point theorems for sum of nonlinear mappings %J Commentationes Mathematicae Universitatis Carolinae %D 1968 %P 133-143 %V 9 %N 1 %U http://geodesic.mathdoc.fr/item/CMUC_1968_9_1_a13/ %G en %F CMUC_1968_9_1_a13