Singh, B., V. Singh, I. Uddin, and Ö. Acar. “Fixed Point Theorems on an Orthogonal Metric Space Using Matkowski Type Contraction”. Carpathian Mathematical Publications 14, no. 1 (June 17, 2022): 127–134. Accessed November 24, 2024. https://vps.pnu.edu.ua/index.php/cmp/article/view/5373.