%0 Journal Article %A Schöneberg, Rainald %T Some fixed point theorems for mappings satisfying Frum-Ketkov conditions %J Commentationes Mathematicae Universitatis Carolinae %D 1976 %P 399-411 %V 17 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1976__17_2_a16/ %G en %F CMUC_1976__17_2_a16