TY  - JOUR
AU  - W. Jaco
TI  - Finitely Presented Subgroups of Three-Manifold Groups.
JO  - Inventiones mathematicae
PY  - 1971
SP  - 335
EP  - 346
VL  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1971__13_142101/
ID  - IM_1971__13_142101
ER  -