TY - JOUR AU - Hedrlín, Zdeněk TI - Two theorems concerning common fixed point of commutative mappings JO - Commentationes Mathematicae Universitatis Carolinae PY - 1962 SP - 32 EP - 36 VL - 03 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1962__3_2_a1/ LA - en ID - CMUC_1962__3_2_a1 ER -