Sun , Ling LingBi , Hai and Yang , Yidu. (2023). A Multigrid Discretization of Discontinuous Galerkin Method for the Stokes Eigenvalue Problem.
            <i>Communications in Computational Physics</i>. <i>34</i> (5).
            1391-1419.
         doi:10.4208/cicp.OA-2023-0027