A. K. CHAUBEY; M. DAS GUPTA; D. P. SAHU. A Related Fixed Point Theorem on Five Metric Spaces. Journal of International Academy of Physical Sciences, [S. l.], v. 15, n. 1, p. 69–84, 2011. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/579. Acesso em: 5 may. 2024.