Kumar, Sanjay, Akash Singhal, and Manish Sharma. “Common Fixed Point Theorems of Integral Type Contraction on Cone Metric Spaces and Applications”. Communications in Mathematics and Applications 14, no. 2 (September 18, 2023): 503–510. Accessed December 18, 2024. http://rgnpublications.com/journals/index.php/cma/article/view/2142.