Existence of three solutions for sytems of multi-point boundary value problems.
Du, Zengji, Kong, Lingju (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Du, Zengji, Kong, Lingju (2009)
Electronic Journal of Qualitative Theory of Differential Equations [electronic only]
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Michal Fečkan (1992)
Commentationes Mathematicae Universitatis Carolinae
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The existence and multiplicity results are shown for certain types of problems with nonlinear boundary value conditions.
Gen Qiang Wang, Sui-Sun Cheng (2007)
Czechoslovak Mathematical Journal
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By using Mawhin’s continuation theorem, the existence of even solutions with minimum positive period for a class of higher order nonlinear Duffing differential equations is studied.