most citedEstimates of the best approximations and approximations of Fourier sums of classes of convolutions of periodic functions of not high smoothness in integral metrics

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math.CA2014★ 1 cited

Estimates of the best approximations and approximations of Fourier sums of classes of convolutions of periodic functions of not high smoothness in integral metrics

T. A. Stepaniuk

In metric of spaces , we obtain exact order estimates of best approximations and approximations by Fourier sums of classes of convolutions the periodic fun…