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JOURNALS
// Differentsial'nye Uravneniya
// Archive
Differ. Uravn.,
2001
Volume 37,
Number 3,
Pages
299–309
(Mi de10338)
This article is cited in
1
paper
Ordinary Differential Equations
Hilbert and Bessel Properties of Systems of Root Functions of
$2m$
th-Order Operators
N. V. Assonova
Smolensk State Pedagogical University
UDC:
517.927.25
+
517.984.5
Received:
30.08.1999
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English version:
Differential Equations, 2001,
37
:3,
320–331
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