1. Barna, B. (1953).über die Divergenzpunkte des Newtonschen Verfahrens zur Bestimmung von Wurzeln algebraischer Gleichungen, I, Publ. Math. Debrecen, Vol. 3, pp. 109–118; (1956).II, Vol. 4, pp. 384–397.
2. Benzinger, H. E., Burns, S., and Palmore, J. (1987). Complex analytic dynamics and Newton's method.Phys. Lett. A,119, 441–446.
3. Khinchin, A. Ya. (1964).Continued Fractions, University of Chicago Press, Chicago, p. 45.
4. Palmore, J. (1993a). A relation between Newton's method and successive approximations for quadratic irrationals. In Hirsch, M., Marsden, J., and Shub, M. (eds.),From Topology to Computation, Springer, New York, pp. 254–259.
5. Palmore, J. (1993b). Shadowing by computable orbits of continued fraction convergents for algebraic numbers.Complex Variables (in press).