@article{GDZPPN002064863,
title = {Braided surfaces and Seifert ribbons for closed braids.},
journal = {Commentarii mathematici Helvetici},
volume = {58},
year = {1983},
pages = {1-37},
zbl = {0522.57017},
url = {http://dml.mathdoc.fr/item/GDZPPN002064863}
}
Rudolph, Lee. Braided surfaces and Seifert ribbons for closed braids.. Commentarii mathematici Helvetici, Tome 58 (1983) pp. 1-37. http://gdmltest.u-ga.fr/item/GDZPPN002064863/