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Error analysis of finite element methods with triangles for elliptic boundary value problems. (English) Zbl 0284.65087
Math. finite Elem. Appl., Proc. Brunel Univ. Conf., Uxbridge 1972, 83-112 (1973).

MSC:
65N15 Error bounds for boundary value problems involving PDEs
74S05 Finite element methods applied to problems in solid mechanics
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
65D05 Numerical interpolation
41A63 Multidimensional problems
41A05 Interpolation in approximation theory