1. Direct methods for sparse matrices;Duff,1986
2. Solving large-scale problems in mechanics: the development and application of computational solution methods;Papadrakakis,1993
3. Matrix computations;Golub,1983
4. An introduction to multigrid methods;Wessling,1992
5. Algebraic multigrid solver for finite element computations in solid mechanics;Boersma;Eng Comput,1997