ANDENAES, P. R. Note on Metrization and on the Paracompact $p$-Spaces of Arhangel’skiĭ. MATHEMATICA SCANDINAVICA, [S. l.], v. 20, p. 245–248, 1967. DOI: 10.7146/math.scand.a-10834. Disponível em: https://www.mscand.dk/article/view/10834. Acesso em: 3 may. 2024.