## $$L_\infty$$-convergence of saddle-point approximations for second order problems.(English)Zbl 0356.35026

### MSC:

 35J25 Boundary value problems for second-order elliptic equations 35J35 Variational methods for higher-order elliptic equations 35A35 Theoretical approximation in context of PDEs 65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs 65N15 Error bounds for boundary value problems involving PDEs
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### References:

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