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A finite element method for the Tricomi problem in the elliptic region. (English) Zbl 0399.65079

MSC:
65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs
35M99 Partial differential equations of mixed type and mixed-type systems of partial differential equations
35J20 Variational methods for second-order elliptic equations
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