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JOURNALS
// Doklady Akademii Nauk
// Archive
Dokl. Akad. Nauk SSSR,
1968
Volume 178,
Number 4,
Pages
783–785
(Mi dan33641)
This article is cited in
2
papers
MATHEMATICS
A certain class of operators with spectrum concentrated at zero
L. E. Isaev
K. D. Ushinskii Odessa Pedagogical Institute
UDC:
513.88+517.948.35
Presented:
I. M. Vinogradov
Received: 05.04.1967
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