The existence and extremal characterization of eigenvalues for ann-th order multiple point boundary value problem
1980 ◽
Vol 126
(1)
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pp. 223-232
2010 ◽
Vol 59
(3)
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pp. 1345-1351
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2020 ◽
Vol 9
(8)
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pp. 6411-6423
Keyword(s):
2020 ◽
Vol 2020
(1)
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