TEAM, S. Regularity of a Semigroup of Transformations with Restricted Range that Preserves an Equivalence Relation and a Cross-Section: Chollawat Pookpienlert, Preeyanuch Honyam, Jintana Sanwong. Thai Journal of Mathematics, [S. l.], v. 18, n. 2, p. 819–830, 2020. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1038. Acesso em: 3 jul. 2024.