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M. V. Keldysh, “Sur L'approximation en Moyenne Quadratique des Fontions Analtiques,” Matematicheskii Sbornik, Vol. 5, No. 2, 1939, pp. 391-401.

has been cited by the following article:

• TITLE: Uniform Convergence of Extremal Polynomials When Domains Have Corners and Special Cusps on the Boundary

  AUTHORS: Fahreddin G. Abdullayev, Cem Koşar, Mehmet Kucukaslan

  KEYWORDS: Uniform Approximation, Extremal Polynomials, Conformal Mapping, p-Bieberbach Polynomials

  JOURNAL NAME: Advances in Pure Mathematics, Vol.1 No.6, November 24, 2011

  ABSTRACT: We study the approximation properties of the extremal polynomials in Ap?norm and C?norm. We prove estimates for the rate of such convergence of the sequence of the extremal polynomials on domains with corners and special cusps.