Direct and inverse approximation theorems in the Besicovitch – Musielak – Orlicz spaces of almost periodic functions von Chaichenko , S. O., Shidlich, A. L., Shulyk, T. V., Chaichenko , S. O., Shidlich, A. L., Shulyk, T. V., Shidlich, Andrii

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Approximation of 2π-periodic functions by Taylor—Abel—Poisson operators in the integral metric von Prestin, J., Savchuk, V.V., Shidlich, A.L.

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