1. Rounding Errors in Algebraic Processes;Wilkinson,1963
2. The Algebraic Eigenvalue Problem;Wilkinson,1965
3. On some methods for computing the roots of polynomials;Howland,1962
4. Pseudozeros of polynomials and pseudospectra of companion matrices;Toh,1993
5. MATLAB User's Guide;The MathWorks, Inc,1992