Qiya Hu and Lin Zhao. (2017). Domain Decomposition Preconditioners for the System Generated by Discontinuous Galerkin Discretization of 2D-3T Heat Conduction Equations.
            <i>Communications in Computational Physics</i>. <i>22</i> (4).
            1069-1100.
         doi:10.4208/cicp.240515.040517a