Existence and uniqueness of periodic solution for a class of impulsive second-order retarded functional differential equations
1986 ◽
Vol 102
(3-4)
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pp. 259-262
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2007 ◽
Vol 8
(1)
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pp. 222-229
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2008 ◽
Vol 60
(5)
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pp. 797-822
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1993 ◽
Vol 173
(1)
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pp. 3-17
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1969 ◽
Vol 5
(3)
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pp. 441-451
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2006 ◽
Vol 22
(2)
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pp. 287-296
2004 ◽
Vol 155
(2)
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pp. 451-468
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