Common fixed point theorems for two mappings in \(D^∗\)-metric spaces. Journal of Prime Research in Mathematics, [S. l.], v. 4, n. 1, p. 132 – 142, 2008. Disponível em: https://jprm.sms.edu.pk/index.php/jprm/article/view/41. Acesso em: 4 feb. 2026.