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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 25, No. 3, pp. 406–409, May–June, 1973.
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Sikiryavyi, V.Y. Boundary value problems for a multiplicatively generated quasidifferential operator. Ukr Math J 25, 334–337 (1973). https://doi.org/10.1007/BF01091888
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DOI: https://doi.org/10.1007/BF01091888