TY  - JOUR
AU  - J.M. Montesinos
AU  - H.M. Hilden
AU  - M.T. Lozano
TI  - On universal groups and three-manifolds.
JO  - Inventiones mathematicae
PY  - 1987
SP  - 441
EP  - 456
VL  - 87
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1987__87_143429/
ID  - IM_1987__87_143429
ER  -