MAHMOUND, R. A.; ROSE, D. A. A NOTE ON SPACES VIA DENSE SETS. Tamkang Journal of Mathematics, [S. l.], v. 24, n. 3, p. 333–339, 1993. DOI: 10.5556/j.tkjm.24.1993.4505. Disponível em: https://journals.math.tku.edu.tw/index.php/TKJM/article/view/4505. Acesso em: 17 apr. 2026.