Wei , LeileiHe , Yinnian and Zhang , Xindong. (2018). Analysis of an Implicit Fully Discrete Local Discontinuous Galerkin Method for the Time-Fractional Kdv Equation.
            <i>Advances in Applied Mathematics and Mechanics</i>. <i>7</i> (4).
            510-527.
         doi:10.4208/aamm.2013.m220