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JOURNALS // Doklady Akademii Nauk // Archive

Dokl. Akad. Nauk SSSR, 1961 Volume 137, Number 4, Pages 761–763 (Mi dan24795)

This article is cited in 1 paper

MATHEMATICS

Perturbation of the spectrum of a singular elliptic operator under variation of the boundary and boundary conditions

M. Sh. Birman

Leningrad State University

Presented: V. I. Smirnov
Received: 02.11.1960



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