TEAM, S. $\tau$-Group Congruences on E-Inversive $\tau$-Semigroups: Supavinee Sattayaporn. Thai Journal of Mathematics, [S. l.], v. 7, n. 2, p. 405–415, 2009. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/172. Acesso em: 5 may. 2024.