Xiao , JingjingChen , YanpingZeng , Fanhai and Zhang , Zhongqiang. (2025). L1 Schemes for Time-Fractional Differential Equations: A Brief Survey and New Development.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>18</i> (2).
            544-574.
         doi:10.4208/nmtma.OA-2024-0085