NATION, J. B. Congruences of finite semidistributive lattices. CUBO, A Mathematical Journal, [S. l.], v. 26, n. 3, p. 443–473, 2024. DOI: 10.56754/0719-0646.2603.443. Disponível em: https://cubo.ufro.cl/index.php/cubo/article/view/3834. Acesso em: 12 oct. 2025.