KAMESWARI, M. V. R. Common fixed point theorems for generalized contraction conditions involving rational expressions in complex valued metric spaces. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 42, p. 88–104, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7256. Acesso em: 27 oct. 2026.