ÖZER, Belgin; KANBAY, Sibel. Presentations of a numerical semigroup. Global Journal of Mathematical Analysis, [S. l.], v. 8, n. 1, p. 1–8, 2020. DOI: 10.14419/gjma.v8i1.30464. Disponível em: https://sciencepubco.com/index.php/GJMA/article/view/30464.. Acesso em: 28 apr. 2025.