Abstract
Various classes of extensions and generalized resolvents of Hermitian operators acting in Krein spaces are described in terms of abstract boundary conditions.
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Translated from Ukrainskii Matematicheskii Zhurnal, Vol. 46, No. 9, pp. 1134–1147, September, 1994.
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Derkach, V.A. On generalized resolvents of Hermitian operators in Krein spaces. Ukr Math J 46, 1248–1262 (1994). https://doi.org/10.1007/BF01059416
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DOI: https://doi.org/10.1007/BF01059416