GUAL-ARNAU, Ximo. THE EULER NUMBER FROM THE DISTANCE FUNCTION. Image Analysis and Stereology, [S. l.], v. 32, n. 3, p. 175–181, 2013. DOI: 10.5566/ias.v32.p175-181. Disponível em: https://www.ias-iss.org/ojs/IAS/article/view/1006. Acesso em: 25 may. 2024.