OSUVA - Selaus tekijän "Derkach, Vladimir" mukaan
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Asymptotic expansions of generalized Nevanlinna functions and their spectral properties
Derkach, Vladimir; Hassi, Seppo; Snoo, Henk de (Vaasan yliopisto, 2005)
workingPaper -
Boundary relations and their Weyl families
Derkach, Vladimir; Hassi, Seppo; Malamud, Mark; Snoo, Henk de (Vaasan yliopisto, 2004)
workingPaper -
Singular perturbations as range perturbations in a Pontryagin space
Derkach, Vladimir; Hassi, Seppo; Snoo, Henk de (Vaasan yliopisto, 2003)
workingPaper -
Singular perturbations of selfadjoint operators
Derkach, Vladimir; Hassi, Seppo; Snoo, Henk de (Vaasan yliopisto, 2002)
workingPaper