Periodic boundary value problem for differential equations with delay and monotone iterative method
1987 ◽
Vol 122
(2)
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pp. 301-307
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2001 ◽
Vol 14
(2)
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pp. 183-187
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2012 ◽
2008 ◽
Vol 48
(4)
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pp. 553-558
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2007 ◽
Vol 193
(2)
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pp. 560-571
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