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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 31, No. 3, pp. 237–246, May–June, 1979.
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Bortei, M.S., Fodchuk, V.I. Quasiperiodic solutions of linear differential-functional equations in partial derivatives. Ukr Math J 31, 184–191 (1979). https://doi.org/10.1007/BF01089016
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DOI: https://doi.org/10.1007/BF01089016