TEAM, S. On a Semigroup of Sets of Transformations with Restricted Range: Ananya Anantayasethi, Joerg Koppitz. Thai Journal of Mathematics, [S. l.], v. 14, n. 3, p. 667–676, 2016. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/628. Acesso em: 3 jul. 2024.