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Über den Index abgeschlossener Operatoren in Banachräumen II

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Herrn Prof. Dr.Gottfried Köthe zum 60. Geburtstag in Dankbarkeit gewidmet

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Neubauer, G. Über den Index abgeschlossener Operatoren in Banachräumen II. Math. Ann. 162, 92–119 (1965). https://doi.org/10.1007/BF01361938

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