Latif, M. A. (2015). On Some New Inequalities of Hermite–Hadamard Type for Functions Whose Derivatives are $s$-Convex in the Second Sense in the Absolute Value.
Ukrains’kyi Matematychnyi Zhurnal,
67(10), 1380-1397.
https://umj.imath.kiev.ua/index.php/umj/article/view/2074