Geodesic
Even periodic solutions of higher order duffing differential equations
Czechoslovak Mathematical Journal, Tome 57 (2007) no. 1, pp. 331-343 Cet article a éte moissonné depuis la source Czech Digital Mathematics Library

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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.
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.
Classification : 34C25, 34K15
Keywords: high order Duffing equation; even periodic solution; continuation theorem 
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Wang, Genqiang; Cheng, Sui Sun. Even periodic solutions of higher order duffing differential equations. Czechoslovak Mathematical Journal, Tome 57 (2007) no. 1, pp. 331-343. http://geodesic.mathdoc.fr/item/CMJ_2007_57_1_a24/

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