Angel A Pereira, S. N. Leena Nelson. “Unique Fixed-Point Theorem for H-Contraction Mapping in Complete Metric Space”. Mathematical Statistician and Engineering Applications 71, no. 2 (April 20, 2022): 684–692. Accessed May 21, 2024. https://www.philstat.org/index.php/MSEA/article/view/2435.