Multiple periodic solutions for a class of second-order nonlinear neutral delay equations.
Shu, Xiao-Bao, Xu, Yuan-Tong (2006)
Abstract and Applied Analysis
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Shu, Xiao-Bao, Xu, Yuan-Tong (2006)
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Han, Zhiqing (2010)
Boundary Value Problems [electronic only]
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Schechter, Martin (2006)
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Liang Zhang, X. H. Tang (2013)
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In this paper, we deal with the existence of periodic solutions of the -Laplacian Hamiltonian system Some new existence theorems are obtained by using the least action principle and minimax methods in critical point theory, and our results generalize and improve some existence theorems.
Jung, Tacksun, Choi, Q-Hueng (2008)
Boundary Value Problems [electronic only]
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El Ouardi, Hamid (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Jung, Tacksun, Choi, Q-Heung (2010)
Boundary Value Problems [electronic only]
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Yang, Yang, Zhang, Jihui, Zhang, Zhitao (2008)
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