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A mixed finite element method for the biharmonic equation. (English) Zbl 0337.65058
Math. Aspects finite Elem. partial Differ. Equat., Proc. Symp. Madison 1974, 125-145 (1974).

65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
35G15 Boundary value problems for linear higher-order PDEs
35A15 Variational methods applied to PDEs