Boundedness in $ C\lbrack-1,1\rbrack$ of the de la Vallée-Poussin means for discrete Chebyshev-Fourier sums (Q3126049)

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Boundedness in $ C\lbrack-1,1\rbrack$ of the de la Vallée-Poussin means for discrete Chebyshev-Fourier sums
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    Boundedness in $ C\lbrack-1,1\rbrack$ of the de la Vallée-Poussin means for discrete Chebyshev-Fourier sums (English)
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    7 July 1997
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    boundedness
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    de la Vallée-Poussin means
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    discrete Chebyshev-Fourier sums
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    Chebyshev polynomials
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    orthonormal system
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    algebraic polynomial
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