@article{1102689797,
author = {Montesinos, Jos\'e Mar\'\i a and Safont, Carmen},
title = {On the Birman invariants of Heegaard splittings.},
journal = {Pacific J. Math.},
volume = {135},
number = {2},
year = {1988},
pages = { 113-142},
language = {en},
url = {http://dml.mathdoc.fr/item/1102689797}
}
Montesinos, José María; Safont, Carmen. On the Birman invariants of Heegaard splittings.. Pacific J. Math., Tome 135 (1988) no. 2, pp. 113-142. http://gdmltest.u-ga.fr/item/1102689797/