Srinuvasa Rao, B., and G. N.V.Kishore. “Common Fixed Point Theorems in Bipolar Metric Spaces With Applications to Integral Equations”. International Journal of Engineering and Technology 7, no. 4.10 (October 2, 2018): 1022–1026. Accessed April 22, 2025. https://www.sciencepubco.com/index.php/IJET/article/view/26662.