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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 34, No. 4, pp. 409–416, July–August, 1982.
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Babenko, V.F. Nonsymmetric approximation in spaces of integrable functions. Ukr Math J 34, 331–336 (1982). https://doi.org/10.1007/BF01091584
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DOI: https://doi.org/10.1007/BF01091584