Berzig, Maher, and Mircea-Dan Rus. “Fixed Point Theorems for Alpha-Contractive Mappings of Meir–Keeler Type and Applications”. Nonlinear Analysis: Modelling and Control 19, no. 2 (April 10, 2014): 178–198. Accessed April 27, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/13680.