%0 Journal Article %A Hiroshi Haruki %T On a metrical theorem in geometry of circles %J Colloquium Mathematicum %D 1972 %P 99-102 %V 25 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-99-102/ %R 10.4064/cm-25-1-99-102 %G en %F 10_4064_cm_25_1_99_102