ISA, G. A.; ALHASSAN, B. SOME TOPOLOGICAL PROPERTIES ON A CONSTRUCTED INVOLUTION PERMUTATION METRIC SPACE. Journal of the Nigerian Mathematical Society, [S. l.], v. 40, n. 1, p. 17–29, 2021. Disponível em: https://ojs.ictp.it/jnms/index.php/jnms/article/view/580. Acesso em: 25 apr. 2024.