@Misc{ AlBeGhSp16, author = { Alonso Rodríguez, Ana and Bertolazzi, Enrico and Ghiloni, Riccardo and Specogna, Ruben }, title = { Geometric construction of bases of $H_2(\overline{\Omega},\partial\Omega,\mathbb{Z})$ }, journal = { arXiv:1607.05099 [math.AT] }, year = { 2016 }, pages = { }, URL = { https://gecogedi.dimai.unifi.it/paper/117/ }, note = { cvgmt preprint} }