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Perturbation Theory for Linear Operators (Classics in Mathematics, 132) [Buy it!] | Kato, Tosio | USD 117.47 (Tue May 21 14:23:03 2024) | Abebooks | Wizard Books | ISBN10: 354058661X, ISBN13: 9783540586616, [publisher: Springer] Softcover New [Long Beach, CA, U.S.A.] [Publication Year: 1995] |