%0 Journal Article %A Brian Fisher %T Theorems on common fixed points %J Fundamenta Mathematicae %D 1981 %P 37-43 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-113-1-37-43/ %R 10.4064/fm-113-1-37-43 %G en %F 10_4064_fm_113_1_37_43