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Original Russian Text © L. D. Gogoladze, V. Sh. Tsagareishvili, 2016, published in Matematicheskie Zametki, 2016, Vol. 99, No. 4, pp. 618–622.
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Gogoladze, L.D., Tsagareishvili, V.S. Convergence of Fourier series with respect to general orthonormal systems. Math Notes 99, 603–607 (2016). https://doi.org/10.1134/S0001434616030342
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DOI: https://doi.org/10.1134/S0001434616030342