Triple positive solutions for a class of boundary value problem of second-order functional differential equations
2009 ◽
Vol 58
(7)
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pp. 1425-1432
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2007 ◽
Vol 193
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pp. 560-571
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2013 ◽
Vol 219
(10)
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pp. 5433-5439
2004 ◽
Vol 155
(3)
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pp. 709-726
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2015 ◽
Vol 14
(1)
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pp. 27-35
2006 ◽
Vol 323
(1)
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pp. 708-720
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2009 ◽