1. and , Applied Iterative Methods, Academic Press, New York, 1981.
2. , and , ‘Yale sparse matrix package, II: the nonsymmetric codes’, Research Report No. 114, Dept of Computer Science, Yale Univ., New Haven, Conn. (1977).
3. Algorithm 586: ITPACK 2C: A FORTRAN Package for Solving Large Sparse Linear Systems by Adaptive Accelerated Iterative Methods
4. Iterative Solution of Large Linear Systems, Academic Press, New York, 1971.
5. ‘Comparative analysis of iterative techniques for solving laplace's equation on the unit square on a parallel processor’, M. A. Thesis, Department of Mathematics, The University of Texas, Austin, Texas (1974).