Adewale , O. K., and E. K. Osawaru. “G-Cone Metric Spaces over Banach Algebras and Some Fixed Point Results”. International Journal of Mathematical Sciences and Optimization: Theory and Applications 2019, no. 2 (October 17, 2019): 546 - 557. Accessed November 22, 2024. http://ijmso.unilag.edu.ng/article/view/480.