Approximation of the Ψ̄-integrals of functions defined on the real axis by Fourier operators

By Stepanets’ O.   Sokolenko I.  

Ukrainian Mathematical Journal, Vol. 56, Iss. 7, 2004-07 ,pp. : 1144-1150

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Approximation of functions defined on the real axis by operators generated by λ-methods of summation of their Fourier integrals

By Kharkevych Yu.   Zhyhallo T.  

Ukrainian Mathematical Journal, Vol. 56, Iss. 9, 2004-09 ,pp. : 1509-1525

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

By Kharkevych Yu.   Zhyhallo T.  

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

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Approximation of Classes of ̄-Integrals of Periodic Functions of Many Variables by Rectangular Linear Means of Their Fourier Series

By Rukasov V.   Novikov O.   Bodraya V.  

Ukrainian Mathematical Journal, Vol. 57, Iss. 4, 2005-04 ,pp. : 678-685

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Uniform Approximation of Nonperiodic Functions Defined on the Entire Axis

By Dodonov N. Yu.   Zhuk V. V.  

Journal of Mathematical Sciences, Vol. 124, Iss. 3, 2004-11 ,pp. : 4968-4979

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