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3. Erdelyi, A., Magnus, W., Oberhettinger, F., Tricomi, F.G.: Higher Trancendental Functions, Vol. I. McGraw-Hill, New York (1953)
4. Fejér, L.: Lebesguesche Konstanten und devergente Fourierreihen. JRAM, 138, 22-53 (1910)
5. Ganzburg, M.I.: The Bernstein constant and polynomial interpolation at the Chebyshev nodes. J. Approx. Theory, 119, 193-213 (2002)