R. V. Akopyan, “Perturbation theory for <nobr>$J$</nobr>-positive operators”, Funktsional. Anal. i Prilozhen., 1975, Volume 9, Issue 2,Pages <nobr>61

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Funktsional. Anal. i Prilozhen., 1975 Volume 9, Issue 2, Pages 61–62 (Mi faa2240)

Brief communications

Perturbation theory for $J$-positive operators

R. V. Akopyan

Received: 03.01.1975

English version: Functional Analysis and Its Applications, 1975, 9:2, 142–143

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