TY  - JOUR
AU  - Akcoglu, M. A.
AU  - Chacon, R. V.
TI  - A Local Ratio Theorem
JO  - Canadian journal of mathematics
PY  - 1970
SP  - 545
EP  - 552
VL  - 22
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1970-062-2/
DO  - 10.4153/CJM-1970-062-2
ID  - 10_4153_CJM_1970_062_2
ER  -