A Generalized Conjugate Gradient, Least Square Method.
Error Estimates for Galerkin Methods for Quasilinear Parabolic and Elliptic Differential Equations in Divergence Form.
On the numerical solutions of convection-diffusion equations
Defect correction methods for convection dominated convection-diffusion problems
Algebraic Multi Level Preconditioning Methods. I.
On the iterative solution of finite element systems of equations
Condition number estimates for elliptic difference problems with anisotropy
On the numerical solution of nonlinear partial differential equations on divergence form
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