Dokdo BE-subalgebras and BE-filters of BE-algebras. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 15, n. 4, p. 1521–1535, 2022. DOI: 10.29020/nybg.ejpam.v15i4.4510. Disponível em: https://ejpam.com/index.php/ejpam/article/view/4510.. Acesso em: 2 may. 2024.