TY  - JOUR
AU  - H. Doll
TI  - A generalized bridge number for links in 3-manifolds.
JO  - Mathematische Annalen
PY  - 1992
SP  - 701
EP  - 718
VL  - 294
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1992__294_4_165025/
ID  - MAN_1992__294_4_165025
ER  -