On the existence of periodic solutions for a kind of high-order neutral functional differential equation
2007 ◽
Vol 326
(2)
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pp. 1161-1173
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2004 ◽
Vol 157
(2)
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pp. 433-448
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2004 ◽
Vol 21
(2)
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pp. 381-392
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2003 ◽
Vol 54
(7)
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pp. 1285-1306
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2004 ◽
Vol 293
(2)
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pp. 462-475
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