Discrete Spectrum for a Periodic Schroedinger Operator Perturbed by a Decreasing Potential
1990 ◽
pp. 109-114
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1990 ◽
pp. 3-16
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Keyword(s):
1995 ◽
Vol 60
(11)
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pp. 1815-1829
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1985 ◽
Vol 40
(10)
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pp. 1052-1058
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Keyword(s):
2021 ◽
Vol 382
(3)
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pp. 1495-1577
Keyword(s):
2016 ◽
Vol 438
(2)
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pp. 551-564
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