Existence and Multiplicity of Positive Periodic Solutions for Systemswith Parameters
2007 ◽
Vol 329
(2)
◽
pp. 977-986
On the existence and multiplicity of positive periodic solutions of a nonlinear third-order equation
2009 ◽
Vol 22
(8)
◽
pp. 1220-1224
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Keyword(s):
2009 ◽
Vol 58
(10)
◽
pp. 1911-1920
◽
2005 ◽
Vol 18
(11)
◽
pp. 1256-1264
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