Deng J, Fečkan M, Wang J. Hermite-Hadamard-type inequalities for r-convex functions using Riemann-Liouville fractional integrals. Ukr. Mat. Zhurn. [Internet]. 2013 Feb. 25 [cited 2025 Apr. 24];65(2):175-91. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/2412