@article{03938044,
title = {Minimizing the presentation of a knot group.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {8},
year = {1985},
pages = {571-578},
doi = {10.1155/S016117128500062X},
zbl = {0585.57002},
language = {en},
url = {http://dml.mathdoc.fr/item/03938044}
}
Dugopolski, Mark J. Minimizing the presentation of a knot group.. International Journal of Mathematics and Mathematical Sciences, Tome 8 (1985) pp. 571-578. doi : 10.1155/S016117128500062X. http://gdmltest.u-ga.fr/item/03938044/