Approximation of conjugate differentiable functions by their Abel–Poisson integrals

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Ukrainian Mathematical Journal, Vol. 61, Iss. 1, 2009-01 ,pp. : 86-98

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Determination of jumps in terms of Abel–Poisson means

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On Approximation of Functions by Generalized Abel–Poisson Operators

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Approximation of (, )-Differentiable Functions Defined on the Real Axis by Abel-Poisson Operators

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Ukrainian Mathematical Journal, Vol. 57, Iss. 8, 2005-08 ,pp. : 1297-1315

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Abel’s lemma on summation by parts and Ramanujan’s ₁ψ₁-series identity

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