1. P. L. Chebyshev, Complete Set of Works (Izd. Akad. Nauk SSSR, Moscow-Leningrad, 1947), Vol. 2; (Izd. Akad. Nauk SSSR, Moscow-Leningrad, 1948), Vol. 3 [in Russian].
2. A. I. Korkin and E. I. Zolotarev, in Complete Set of Works by E. I. Zolotarev (Izd. Akad. Nauk SSSR, Leningrad, 1931), Vol. 1, pp. 138–153 [in Russian].
3. J. J. Rivlin and H. S. Shapiro, J. Soc. Indust. Appl. Math. 9, 670 (1961).
4. H. Ehlich and K. Zeller, Math. Z. 93, 142 (1966).
5. J. M. Sloss, Pacific J. Math. 15, 305 (1965).