%0 Journal Article %A Kolomý, Josef %T Some existence theorems for nonlinear problems %J Commentationes Mathematicae Universitatis Carolinae %D 1966 %P 207-217 %V 7 %N 2 %U http://geodesic.mathdoc.fr/item/CMUC_1966_7_2_a4/ %G en %F CMUC_1966_7_2_a4