A second look at the first result of Landesman-Lazer type.
Lazer, Alan C. (2000)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Lazer, Alan C. (2000)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Mei-Lan Tang, Xin-Ge Liu, Xin-Bi Liu (2009)
Applications of Mathematics
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The paper deals with the existence of periodic solutions for a kind of non-autonomous time-delay Rayleigh equation. With the continuation theorem of the coincidence degree and a priori estimates, some new results on the existence of periodic solutions for this kind of Rayleigh equation are established.
Fečkan, Michael (2003)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Ma, Shiwang, Wang, Zhicheng (1999)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Bonheure, Denis, Fabry, Christian, Smets, Didier
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Fabry, C. (2000)
Electronic Journal of Differential Equations (EJDE) [electronic only]
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Wang, Genqiang, Yan, Jurang (2000)
Portugaliae Mathematica
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