%0 Journal Article %A Helga Schirmer %T The least number of fixed points of bimaps %J Fundamenta Mathematicae %D 1991 %P 1-8 %V 137 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-137-1-1-8/ %R 10.4064/fm-137-1-1-8 %G en %F 10_4064_fm_137_1_1_8