GE, Xun. Some characterizations of locally separable Metrizable Spaces. Scientia Series A: Mathematical Sciences, [S. l.], v. 15, p. 61–65, 2007. DOI: 10.71712/. Disponível em: https://revistas.usm.cl/scientia/article/view/102.. Acesso em: 7 jun. 2025.