H. K. PATHAK; SATYAJ TIWARI. Common Fixed Point and Best Simultaneous Approximations Theorems Under Releaxed Conditions. Journal of International Academy of Physical Sciences, [S. l.], v. 15, n. 5, p. 17–22, 2011. Disponível em: https://www.iaps.org.in/journal/index.php/journaliaps/article/view/920. Acesso em: 19 may. 2024.