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Translated from Matematicheskie Zametki, 2023, Vol. 113, pp. 477–480 https://doi.org/10.4213/mzm13737.
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Laktionova, N.V., Runovskii, K.V. Direct Theorems on Approximation of Periodic Functions with High Generalized Smoothness. Math Notes 113, 469–472 (2023). https://doi.org/10.1134/S0001434623030185
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DOI: https://doi.org/10.1134/S0001434623030185