TY  - JOUR
AU  - Hiroshi Haruki
TI  - On a metrical theorem in geometry of circles
JO  - Colloquium Mathematicum
PY  - 1972
SP  - 99
EP  - 102
VL  - 25
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-25-1-99-102/
DO  - 10.4064/cm-25-1-99-102
LA  - en
ID  - 10_4064_cm_25_1_99_102
ER  -