Asymptotic Expansions and L...-Error Estimates for Mixed Finite Element Methods for Second Order Elliptic Problems. Junping Wang — 1987 Numerische Mathematik
Multilevel iterative methods for mixed finite element discretizations of elliptic problems. Junping Wang; P.S. Vassilevski — 1992 Numerische Mathematik
Analysis of mixed finite element methods on locally refined grids. Richard E. Ewing; JunPing Wang — 1992 Numerische Mathematik