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Singular perturbations of finite rank. Point spectrum

We establish necessary and sufficient conditions for the appearance of an additional point spectrum under singular perturbations of finite rank.

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Bibliographic Details
Date:	1997
Main Authors:	Koshmanenko, V. D., Samoilenko, O. V., Кошманенко, В. Д., Самойленко, О. В.
Format:	Article
Language:	Ukrainian English
Published:	Institute of Mathematics, NAS of Ukraine 1997
Online Access:	https://umj.imath.kiev.ua/index.php/umj/article/view/5117
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Journal Title:	Ukrains’kyi Matematychnyi Zhurnal
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