%0 Journal Article %A Kolomý, Josef %T Some mapping theorems and solvability of nonlinear equations in Banach spaces (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1971 %P 413-418 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1971__12_2_a15/ %G en %F CMUC_1971__12_2_a15