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Donetsk. Translated from Sibirskii Matematicheskii Zhurnal, Vol. 27, No. 3, pp. 68–73, May–June, 1986.
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Dveirin, M.Z. Hardy-littlewood theorem in domains with quasiconformal boundary and its applications to harmonic functions. Sib Math J 27, 361–366 (1986). https://doi.org/10.1007/BF00969272
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DOI: https://doi.org/10.1007/BF00969272