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Problems of the spectral theory of the second order linear differential equation with unbounded operator coefficients

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Literature cited

  1. Yu. M. Berezanskii, Decomposition in Eigen Functions of Self-Conjugate Operators [in Russian], Naukova Dumka, Kiev (1965).

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  2. H. Langer, “Uber die methode de richtenden functionalen von M. G. Krein,” Acta Math. Hungarica, 21 (1970).

  3. F. S. Rofe-Beketov, “Decomposition in eigen functions of infinite systems of differential equations,” Functional Analysis and Its Applications [in Russian], Transactions of the Fifth All-Union Conference on Functional Analysis and Its Applications, Baku (1961).

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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 23, No. 1, pp. 3–14, January–February, 1971.

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Gorbachuk, V.I., Gorbachuk, M.L. Problems of the spectral theory of the second order linear differential equation with unbounded operator coefficients. Ukr Math J 23, 1–11 (1971). https://doi.org/10.1007/BF01086580

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  • DOI: https://doi.org/10.1007/BF01086580

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