books.google.com - Much recent research has concentrated on the efficient solution of large sparse or structured linear systems using iterative methods. A language loaded with acronyms for a thousand different algorithms has developed, and it is often difficult even for specialists to identify the basic principles involved....http://books.google.com/books/about/Iterative_Methods_for_Solving_Linear_Sys.html?id=1P3z8KgFToQC&utm_source=gb-gplus-shareIterative Methods for Solving Linear Systems