Liu , YiChen , Wenbin and Wang , Yanqiu. (2022). A Weak Galerkin Mixed Finite Element Method for Second Order Elliptic Equations on 2D Curved Domains.
            <i>Communications in Computational Physics</i>. <i>32</i> (4).
            1094-1128.
         doi:10.4208/cicp.OA-2022-0106