Perala, Chiranjeevi, and V. Srinivas. “Some Results in Cone Metric Space, Using Semi-Compatible and Reciprocally Continuous Mappings”. Communications in Mathematics and Applications 13, no. 5 (December 30, 2022): 1413–1426. Accessed May 21, 2024. http://www.rgnpublications.com/journals/index.php/cma/article/view/2253.