Differ. Uravn., 1992 Volume 28, Number 1, Pages 23–33
(Mi de7693)
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Partial Differential Equations
Criteria for the Bessel property and the Riesz basis property of systems of root functions of differential operators. II
V. D. Budaev Lomonosov Moscow State University
UDC:
517.927.25 Received: 16.04.1991
English version:
Differential Equations, 1992,
28:1,
21–30
Bibliographic databases:
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