KITSUNEZUKA, Y.; MATSUDA, R.; SUGATANI, T. NOTE ON 1-DIMENSIONAL INTEGRALLY CLOSED MORI SEMIGROUPS. Tamkang Journal of Mathematics, [S. l.], v. 30, n. 4, p. 295–297, 1999. DOI: 10.5556/j.tkjm.30.1999.4235. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4235. Acesso em: 5 may. 2024.