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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 36, No. 2, pp. 253–255, March–April, 1984.
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Dobrotvor, I.G. Oscillation properties of the solutions of equations with a polyharmonic operator in the space En . Ukr Math J 36, 230–232 (1984). https://doi.org/10.1007/BF01066961
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DOI: https://doi.org/10.1007/BF01066961