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Some superconvergence results in the finite element method. (English) Zbl 0366.65050
Math. Aspects Finite Elem. Mech., Proc. Conf. Rome 1975, Lect. Notes Math. 606, 353-362 (1977).

MSC:
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
35J25 Boundary value problems for second-order elliptic equations
35A35 Theoretical approximation in context of PDEs
65N15 Error bounds for boundary value problems involving PDEs