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Funktsional'nyi Analiz i ego Prilozheniya, 1982, Volume 16, Issue 3, Pages 72–73
(Mi faa1651)
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Brief communications
Stability of the essential spectrum of operators close to a unitary operator
N. G. Makarov
Received: 30.06.1980
Citation:
N. G. Makarov, “Stability of the essential spectrum of operators close to a unitary operator”, Funktsional. Anal. i Prilozhen., 16:3 (1982), 72–73; Funct. Anal. Appl., 16:3 (1982), 217–218
Linking options:
https://www.mathnet.ru/eng/faa1651 https://www.mathnet.ru/eng/faa/v16/i3/p72
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