Samraiz, M., Afzal, M.A., Iqbal, S. and Kashuri, A. 2018. Opial-type Inequalities for Generalized Integral Operators With Special Kernels in Fractional Calculus. Communications in Mathematics and Applications. 9, 3 (Sep. 2018), 421–431. DOI:https://doi.org/10.26713/cma.v9i3.831.