Mohammad Saeed Khan, D.Dhamodharan, R. Krishnakumar, and Arslan Hojat Ansari. “Cone $\mathcal{C} $-Class Function on Some Common Fixed Point Theorems for Contractive Type Conditions in Random Cone Metric Space”. International Journal of Mathematics And Its Applications, vol. 5, no. 4 - B, Nov. 2017, pp. 235-4, https://ijmaa.in/index.php/ijmaa/article/view/1262.