This article is cited in 3 papers

In the Moscow Mathematical Society
Communications of the Moscow Mathematical Society

On localization of the spectrum in a problem in singular perturbation theory

S. A. Stepin, A. A. Arzhanov

M. V. Lomonosov Moscow State University, Faculty of Mechanics and Mathematics

MSC: 34E15, 34B24

Accepted: 25.03.2002

DOI: 10.4213/rm524

 English version: Russian Mathematical Surveys, 2002, 57:3, 608–610

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