Neumann Boundary Value Problems for Second-Order Ordinary Differential Equations Across Resonance
1995 ◽
Vol 33
(5)
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pp. 1312-1325
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1988 ◽
Vol 8
(3)
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pp. 239-248
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1998 ◽
Vol 97
(2)
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pp. 455-470
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2014 ◽
Vol 233
◽
pp. 62-71
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1995 ◽
Vol 125
(4)
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pp. 777-799
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2003 ◽
Vol 137
(2-3)
◽
pp. 549-570
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