Periodic solutions for neutral nonlinear differential equations with functional delay.
Raffoul, Youssef N. (2003)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Raffoul, Youssef N. (2003)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Islam, Muhammad N., Sultana, Nasrin, Booth, James (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Dads, El Hadi Ait, Ezzinbi, Khalil (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Dib, Youssef M., Maroun, Mariette R., Raffoul, Youssef N. (2005)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Gui, Zhanji (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Kaufmann, Eric R. (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Hbid, My Lhassan, Qesmi, Redouane (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Philos, Christos G., Purnaras, Ioannis K. (2004)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Li, Zhixiang, Wang, Xiao (2006)
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Fan, Xuanlong, Li, Yongkun (2008)
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Lijun Pan (2011)
Archivum Mathematicum
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By using the coincidence degree theory of Mawhin, we study the existence of periodic solutions for th order delay differential equations with damping terms . Some new results on the existence of periodic solutions of the investigated equation are obtained.