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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 40, No. 1, pp. 3–7, January–February, 1988.
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Andrievskii, V.V. Constructive presentation of classes of harmonic functions with singularities on a quasiconformal arc. Ukr Math J 40, 1–4 (1988). https://doi.org/10.1007/BF01056436
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DOI: https://doi.org/10.1007/BF01056436