Khan, Muhammad Adil, Syed Zaheer Ullah, and Yuming Chu. “Generalization of Favard’s and Berwald’s Inequalities for Strongly Convex Functions”. Communications in Mathematics and Applications 10, no. 4 (December 31, 2019): 693–705. Accessed May 2, 2024. http://www.rgnpublications.com/journals/index.php/cma/article/view/1210.