1. S.N. Bernstein, Sur la meilleure approximation de
x
$$\left \vert x\right \vert $$
par des polynômes des degrés donnés. Acta Math. 37, 1–57 (1913)
2. S.N. Bernstein, 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. S.N. Bernstein, Sur la meilleure approximation de
x
p
$$\left \vert x\right \vert ^{p}$$
par des polynômes des degrés trés élevés. Bull. Acad. Sci. USSR Sér. Math. 2, 181–190 (1938)
4. D.P. Dryanov, M.A. Qazi, Q.I. Rahman, Entire functions of exponential type in approximation theory, in Constructive Theory of Functions, ed. by B.D. Bojanov. Proceedings of the International Conference, Varna, Bulgaria, June 19–23, 2002 (DARBA, Sofia, 2003), pp. 86–135
5. M.I. Ganzburg, The Bernstein constant and polynomial interpolation at the Chebyshev nodes. J. Approx. Theory 119, 193–213 (2002)