%0 Journal Article %A W. F. Pfeffer %T On some subspaces of the Helly space %J Colloquium Mathematicum %D 1976 %P 41-46 %V 35 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-35-1-41-46/ %R 10.4064/cm-35-1-41-46 %G en %F 10_4064_cm_35_1_41_46