Monotone Method for Second Order Periodic Boundary Value Problems and Periodic Solutions of Delay Difference Equations
2004 ◽
Vol 289
(2)
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pp. 691-699
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2002 ◽
Vol 50
(7)
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pp. 885-898
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2001 ◽
Vol 136
(1-2)
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pp. 189-197
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2016 ◽
Vol 53
(2)
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pp. 335-350
1993 ◽
Vol 58
(3)
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pp. 221-235
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1984 ◽
Vol 15
(1)
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pp. 71-83
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1997 ◽
Vol 28
(6)
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pp. 983-997
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