%0 Journal Article %A Hiroshi Haruki %T On a theorem of inversive geometry %J Annales Polonici Mathematici %D 1980 %P 163-168 %V 38 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-38-2-163-168/ %R 10.4064/ap-38-2-163-168 %G en %F 10_4064_ap_38_2_163_168