Team, S. (2016) “A Simple Proof of Caristi’s Fixed Point Theorem without Using Zorn’s Lemma and Transfinite Induction: Wei-Shih Du”, Thai Journal of Mathematics, 14(2), pp. 259–264. Available at: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/595 (Accessed: 1 May 2024).