Shanshan Xu, Lin Wang & Wenqiang Wang. (2023). The Convergence of Euler-Maruyama Method of Nonlinear Variable-Order Fractional Stochastic Differential Equations.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>15</i> (4).
            852-879.
         doi: 10.4208/aamm.OA-2021-0222