Jianming Liu, Jianxian Qiu, Mikhail Goman, Xinkai Li and Meilin Liu. (2016). Positivity-Preserving Runge-Kutta Discontinuous Galerkin Method on Adaptive Cartesian Grid for Strong Moving Shock.
            <i>Numerical Mathematics: Theory, Methods and Applications</i>. <i>9</i> (1).
            87-110.
         doi:10.4208/nmtma.2015.m1416