1. A generalized SSOR method;Axelsson;BIT,1972
2. Variational Iterative Methods for Nonsymmetric Systems of Linear Equations;Eisenstat;SIAM Journal on Numerical Analysis,1983
3. Yale Sparse Matrix Package I: The Symmetric Codes;Eisenstat;International Journal for Numerical Methods in Engineering,1982
4. Yale Sparse Matrix Package II: The Nonsymmetric Codes;Eisenstat,1977
5. Howard C. Elman. Iterative Methods for Large, Sparse, Nonsymmetric Systems of Linear Equations. Ph. D. Thesis, Department of Computer Science, Yale University, 1982. Also available as Research Report #229.