Team, S. “A Common Fixed Point Theorem for Single-Valued and Set-Valued Mappings Satisfying A Generalized Contractive Condition: Abdelkrim Aliouche, Ahcene Djoudi”. Thai Journal of Mathematics, vol. 8, no. 3, Dec. 2010, pp. 459-67, https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/214.