1. Fixpoints of polynomials and rational functions;Baker;J. London Math. Soc.,1964
2. Dynamics in One Dimension;Block,1992
3. R.L. Devaney, An Introduction to Chaotic Dynamical Systems, second ed., Addison-wesley Publishing Company Advanced Book Program, Redwood City, CA, 1989.
4. K. Hoffman, R. Kunze, Linear Algebra, second ed., Prentice Hall of India Private Limited, New Delhi, 1986.
5. V. Kannan, I. Subramania Pillai, K. Ali Akbar, B. Sankararao, The set of periods of periodic points of a toral automorphism, preprint, 2008.