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Degree of approximation of a function by Nörlund means of its Fourier series
Published online by Cambridge University Press: 17 April 2009
Abstract
Two theorems of T.M. Flett [Quart. J. Math. Oxford Ser. (2) 7 (1956), 81–95] on the degree of approximation to a function by the Cesàro means of its Fourier series are extended to Nörlund means. Their conjugate analogues are also proved.
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- Copyright © Australian Mathematical Society 1981