@Article{ Col17, author = { Collari, Carlo }, title = { A Bennequin-type inequality and combinatorial bounds }, journal = { Michigan Mathematical Journal }, year = { 2019 }, doi = { 10.1307/mmj/1565402474 }, pages = { }, URL = { https://gecogedi.dimai.unifi.it/paper/309/ }, note = { cvgmt preprint} }