ROMANO, Daniel A. Strongly Extensional Homomorphism of Implicative Semigroups With Apartness. Sarajevo Journal of Mathematics, [S. l.], v. 13, n. 2, p. 155–162, 2018. Disponível em: https://sjm.anubih.ba/index.php/sjm/article/view/92. Acesso em: 23 nov. 2024.