Spectral properties of some regular boundary value problems for fourth order differential operators
2012 ◽
Vol 11
(1)
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pp. 94-111
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Keyword(s):
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2020 ◽
Vol 28
(2)
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pp. 237-241
2014 ◽
Vol 52
(4)
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pp. 1099-1118
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2009 ◽
Vol 223
(2)
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pp. 543-551
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