1. Iterative Solution Methods;Axelsson,1994
2. Iterative Methods for Solving Linear Systems;Greenbaum,1997
3. Iterative Methods for Linear and Nonlinear Equations;Kelley,1995
4. Iterative Methods for Sparse Linear Systems;Saad,1996
5. Preconditioning techniques for large linear systems: a survey;Benzi;J. Comput. Phys.,2002