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Translated from Matematicheskie Zametki, Vol. 50, No. 5, pp. 147–149, November, 1991.
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Belinskii, É.S. Estimates for the Kolmogorov diameters of classes of functions with conditions on the mixed difference in the uniform metric. Mathematical Notes of the Academy of Sciences of the USSR 50, 1198–1200 (1991). https://doi.org/10.1007/BF01157710
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DOI: https://doi.org/10.1007/BF01157710