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Translated from Matematicheskie Zametki, Vol. 56, No. 2, pp. 114–131, August, 1994.
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Shkalikov, A.A., Griniv, R.O. On an operator pencil arising in the problem of beam oscillation with internal damping. Math Notes 56, 840–851 (1994). https://doi.org/10.1007/BF02110744
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DOI: https://doi.org/10.1007/BF02110744