1. A first course in numerical analysis;Ralston,1978
2. LAPACK Users’ Guide;Anderson,1999
3. Matrix eigensystem routines—EISPACK guide;Smith,1976
4. An iterated eigenvalue algorithm for approximating roots of univariate polynomials;Fortune;J. Symbolic Comput.,2002
5. The Algebraic Eigenvalue Problem;Wilkinson,1965