Kumam, Poom, Muhammad Sarwar, and ZadaMian Bahadur. “Fixed Point Results Satisfying Rational Type Contractive Conditions in Complex Valued Metric Spaces”. Annales Mathematicae Silesianae 30 (September 23, 2016): 89-110. Accessed November 24, 2024. https://journals.us.edu.pl/index.php/AMSIL/article/view/13958.