Hierarchy Elements in an Almost Distributive Lattice. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 17, n. 3, p. 1691–1704, 2024. DOI: 10.29020/nybg.ejpam.v17i3.5226. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/5226. Acesso em: 2 dec. 2024.