Chaolong Jiang, Jianqiang Sun, Xunfeng He and Lanlan Zhou. (2016). High Order Energy-Preserving Method of the "Good" Boussinesq Equation.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>9</i> (1).
            111-122.
         doi:10.4208/nmtma.2015.m1420