Abstract
We provide sufficient conditions for the existence of periodic solutions for the class of Duffing differential equations
where the functions a(t), b(t), c(t) and h(t, x) are C2 and T–periodic in the variable t.
We provide sufficient conditions for the existence of periodic solutions for the class of Duffing differential equations
where the functions a(t), b(t), c(t) and h(t, x) are C2 and T–periodic in the variable t.
© 2019 Amina Feddaoui, Jaume Llibre, Amar Makhlouf, published by Sciendo
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