%0 Journal Article %A Hedrlín, Zdeněk %T Two theorems concerning common fixed point of commutative mappings %J Commentationes Mathematicae Universitatis Carolinae %D 1962 %P 32-36 %V 03 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1962__3_2_a1/ %G en %F CMUC_1962__3_2_a1