TEAM, S. Green’s Relations and Regularity for the Self-E-Preserving Transformation Semigroups: Chaiwat Namnak. Thai Journal of Mathematics, [S. l.], p. 117–125, 2023. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/762. Acesso em: 20 may. 2024.