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Acknowledgments
In conclusion, the author wishes to express gratitude to B. S. Kashin for attention to this work.
Funding
This work was supported by the Science Committee of the Republic of Armenia under grant no. 21AG-1A066.
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Translated from Matematicheskie Zametki, 2022, Vol. 112, pp. 474–477 https://doi.org/10.4213/mzm13550.
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Grigoryan, M.G. On the Convergence of Negative-Order Cesàro Means of Fourier and Fourier–Walsh Series. Math Notes 112, 476–479 (2022). https://doi.org/10.1134/S0001434622090152
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DOI: https://doi.org/10.1134/S0001434622090152