1. Darboux, G.: De veloppements en serie des fonctions d'une variable. Jour. de Math. (3),2, 291–312 (1876).
2. Henrici, P.: Some Applications of the Quotient-Difference Algorithm. Proc. of Symposium in Applied Math., Vol.15, Amer. Math. Soc., 159–183 (1963).
3. Khovanskii, A. N.: The application of continued fractions and their generalizations to problems in approximation theory (translated byP. Wynn). Groningen, The Netherlands: P. Noordhoff 1963.
4. Kogbetliantz, E. G.: Generation of elementary functions. Mathematical methods for digital computers (A. Ralston andH. S. Wilf, Eds.), pp. 7–35. New York: Wiley 1960.
5. Lane, R. E.: A condition necessary and sufficient for a function to be equal to its continued fraction expansion. Jour. Applied Math. and Analysis (to appear).