PHONGCHAN, S.; HONYAM, P. Regularity and Finiteness Conditions on Transformation Semigroups with Invariant Sets. Thai Journal of Mathematics, [S. l.], v. 21, n. 3, p. 569–583, 2023. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/1528. Acesso em: 29 apr. 2024.