Superconvergence for discontinuous Galerkin finite element methods by L2-projection methods. - Rabeea Jari; Lin Mu; Anna Harris; Lynn Fox (Comput. Math. Appl., 2013)

Superconvergence of weak Galerkin finite element approximation for second order elliptic problems by L2-projections. - Anna Harris; Stephen Harris (Appl. Math. Comput., 2014)