1. Bernstein, S.N.: Sur la meilleure approximation de
$$\left|x\right|$$
x
par des polynômes des degrés donnés. Acta Math. 37, 1–57 (1913)
2. Bernstein, S.N.: Extremal Properties of Polynomials and the Best Approximation of Continuous Functions of a Single Real Variable. State United Scientific and Technical Publishing House, Moscow (1937). (in Russian)
3. Bernstein, S.N.: Sur la meilleure approximation de
$$\left|x\right|^{p}$$
x
p
par des polynômes des degrés trés élevés. Bull. Acad. Sci. USSR Sér. Math. 2, 181–190 (1938)
4. Dryanov, D.P., Qazi, M.A., Rahman, Q.I.: Entire functions of exponential type in approximation theory. In: Bojanov, B.D. (ed.) Constructive Theory of Functions, Proceedings of the international conference, Varna, Bulgaria, June 19–23, 2002. DARBA, Sofia, pp. 86–135 (2003)
5. Ganzburg, M.I.: The Bernstein constant and polynomial interpolation at the Chebyshev nodes. J. Approx. Theory 119, 193–213 (2002)