Differ. Uravn., 1991 Volume 27, Number 9, Pages 1550–1563
(Mi de7590)
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This article is cited in
4 papers
Ordinary Differential Equations
A theorem on the unconditional basis property of root vectors of second-order weighted differential operators
I. S. Lomov Lomonosov Moscow State University
UDC:
517.927.25 Received: 31.10.1990
English version:
Differential Equations, 1991,
27:9,
1098–1107
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