SURIYAKALA, S.; VEMBU, R. DUAL-IDEAL TOPOLOGICAL SPACES. Bangmod International Journal of Mathematical and Computational Science, Bangkok, Thailand, v. 3, p. 61–71, 2017. Disponível em: https://bangmodjmcs.com/index.php/bangmodmcs/article/view/57. Acesso em: 25 nov. 2024.