NASEFA, A. A.; MAREAY, R. Ideal and some applications of simply open sets. JOURNAL OF ADVANCES IN MATHEMATICS, [S. l.], v. 13, n. 3, p. 7264–7271, 2017. DOI: 10.24297/jam.v13i3.6204. Disponível em: https://www.rajpub.com/index.php/jam/article/view/6204. Acesso em: 18 may. 2024.