Lebesgue type inequalities for the de la Vallée Poussin sums and their interpolation analogues on classes of $(\psi,\bar{\beta})$-differentiable functions von Voĭtovych, V. A., Musienko, A. P., Войтович, В. А., Мусієнко, А. П.

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Lebesgue type inequalities for interpolation analogues of Valle Poussin sums on sets of infinitely differentiable functions von Voitovych, V. A., Musienko, A. P., Войтович, В. А., Мусієнко, А. П.

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