KUMAR, D.; CHACKO, A. Some Results on Common Fixed Points for Rational Type Contraction Mappings in Complex Valued Metric Spaces. International Journal of Maps in Mathematics, [S. l.], v. 1, n. 1, p. 1–14, 2018. Disponível em: http://journalmim.com/index.php/journalMIM/article/view/10. Acesso em: 2 may. 2024.