MAHDI, H. .; HEGAZY, K. . Properties of digital spaces on \(\mathbb{Z}^{2}\). Journal of Advanced Studies in Topology, [S. l.], v. 7, n. 1, p. 45–53, 2022. Disponível em: http://m-sciences.com/index.php/jast/article/view/194. Acesso em: 19 aug. 2022.