Functions on $n$-generalized Topological Spaces. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 12, n. 4, p. 1553–1566, 2019. DOI: 10.29020/nybg.ejpam.v12i4.3502. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/3502. Acesso em: 23 nov. 2024.