Periodic solutions for functional differential equations with periodic delay close to zero.
Hbid, My Lhassan, Qesmi, Redouane (2006)
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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Valéry Covachev, Zlatinka Covacheva, Haydar Akça, Eada Al-Zahrani (2003)
Open Mathematics
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A neutral impulsive system with a small delay of the argument of the derivative and another delay which differs from a constant by a periodic perturbation of a small amplitude is considered. If the corresponding system with constant delay has an isolated ω-periodic solution and the period of the delay is not rationally dependent on ω, then under a nondegeneracy assumption it is proved that in any sufficiently small neighbourhood of this orbit the perturbed system has a unique almost...
Pinto, Manuel (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Walther, Hans-Otto (2003)
Zeszyty Naukowe Uniwersytetu Jagiellońskiego. Universitatis Iagellonicae Acta Mathematica
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Li, Zhixiang, Wang, Xiao (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Fan, Xuanlong, Li, Yongkun (2008)
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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Benkhalti, Rachid, Elazzouzi, Abdelhai, Ezzinbi, Khalil (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Zeng, Zhijun (2006)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Péics, Hajnalka, Rožnjik, Andrea (2008)
Novi Sad Journal of Mathematics
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Hernández M., Eduardo (2002)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Ivanov, Anatoli F., Mammadov, Musa A. (2010)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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