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On the index of an unbounded operator
I. Ts. Gokhberg
Received: 01.10.1952
Citation:
I. Ts. Gokhberg, “On the index of an unbounded operator”, Sb. Math., 75:1 (1953)
Linking options:
https://www.mathnet.ru/eng/sm5341 https://www.mathnet.ru/eng/sm/v75/i1/p193
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