Singh, D., Ahmed, A., Singh, M., & Tomar, S. S. (2013). A COMMON FIXED POINT THEOREM VIA FAMILY OF R-WEAKLY COMMUTING MAPS. Journal of Nonlinear Analysis and Optimization: Theory & Applications (JNAO), 5(1), 115–123. retrieved from https://ph03.tci-thaijo.org/index.php/jnao/article/view/2743