1. D. Adams,A Stopping Criterion for Polynomial Root Finding, Comm. ACM 10 (1967), 655–658.
2. F. Bauhuber,Direkte Verfahren zur Berechnung der Nullstellen von Polynomien, Computing 5 (1970), 97–118.
3. B. Dejon and P. Henrici,Constructive Aspects of the Fundamental Theorem of Algebra, Wiley-Interscience, 1967.
4. A. S. Householder,The Numerical Treatment of a Single Nonlinear Equation, McGraw-Hill, 1970.
5. M. A. Jenkins,Three-stage variable shift iterations for the solution of Polynomial Equations with a posteriori error bounds for the zeros, Technical Report no cs 143 (1969) Computer Science Department, Stanford University.