Sturm–Liouville operators in the half axis with shifted potentials
2007 ◽
Vol 329
(1)
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pp. 557-566
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Keyword(s):
2012 ◽
Vol 36
(7)
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pp. 857-868
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Keyword(s):
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2017 ◽
Vol 147
(5)
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pp. 917-933
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2003 ◽
Vol 133
(4)
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pp. 747-758
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