TY  - JOUR
AU  - Best, L. A.
TI  - Subgroups of One-Relator Fuchsian Groups
JO  - Canadian journal of mathematics
PY  - 1973
SP  - 888
EP  - 891
VL  - 25
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1973-093-5/
DO  - 10.4153/CJM-1973-093-5
ID  - 10_4153_CJM_1973_093_5
ER  -