Geodesic
On the distortion theorems for algebraic polynomials
Dalʹnevostočnyj matematičeskij žurnal, Tome 11 (2011) no. 1, pp. 28-36.

Voir la notice de l'article provenant de la source Math-Net.Ru

The applications of a boundary Schwarz lemma and the properties of the condenser capacity to some inequalities for polynomials and their derivatives are considered. We prove a new Bernstein-type inequality for the polynomials on a circle, two-sided estimates for the polynomials with constraints on their critical values, and two-sided estimates of the average distortion computed at zeros of the polynomials. 
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V. N. Dubinin. On the distortion theorems for algebraic polynomials. Dalʹnevostočnyj matematičeskij žurnal, Tome 11 (2011) no. 1, pp. 28-36. http://geodesic.mathdoc.fr/item/DVMG_2011_11_1_a2/

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