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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 40, No. 2, pp. 256–260, March–April, 1988.
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Tyrygin, I.Y. Turan-type inequalities in certain integral metrics. Ukr Math J 40, 223–226 (1988). https://doi.org/10.1007/BF01056484
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DOI: https://doi.org/10.1007/BF01056484