TY  - JOUR
AU  - Godinho, Leonor
TI  - The Fundamental Group of S 1-manifolds
JO  - Canadian journal of mathematics
PY  - 2010
SP  - 1082
EP  - 1098
VL  - 62
IS  - 5
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2010-053-3/
DO  - 10.4153/CJM-2010-053-3
ID  - 10_4153_CJM_2010_053_3
ER  -