HOLME, Audun. A Generalization of the $C(X)$-Characterizations of Topological Spaces. Mathematica Scandinavica, Berkeley, CA, United States, v. 15, p. 156–162, 1964. DOI: 10.7146/math.scand.a-10739. Disponível em: https://journals.msp.org/mscand/article/view/2609. Acesso em: 25 jul. 2026.