Malki, Zakaria, Farida Berhoun, and Abdelghani Ouahab. 2021. “System of Boundary Random Fractional Differential Equations via Hadamard Derivative”. Annales Universitatis Paedagogicae Cracoviensis Studia Mathematica 20 (April):17-41. https://studmath.up.krakow.pl/article/view/8265.