Introducing Partial Transformation UP-Algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 11, n. 3, p. 876–881, 2018. DOI: 10.29020/nybg.ejpam.v11i3.3296. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3296.. Acesso em: 2 may. 2024.