TY  - JOUR
AU  - Lee Rudolph
TI  - Braided surfaces and Seifert ribbons for closed braids.
JO  - Commentarii mathematici Helvetici
PY  - 1983
SP  - 1
EP  - 37
VL  - 58
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMH_1983__58_139927/
ID  - CMH_1983__58_139927
ER  -