Department of Mathematics, University of Annaba, Elhadjar, Annaba, Algeria
Departament de Matemàtiques, Universitat Autònoma de Barcelona, Barcelona, Spain
Department of Mathematics, University of Annaba, Elhadjar, Annaba, Algeria
Copyright © 2016 Zeyneb Bouderbala, Jaume Llibre, Amar Makhlouf et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
Bouderbala, Z. , Llibre, J. and Makhlouf, A. (2016) Periodic Solutions of a Class of Second-Order Differential Equation.
Applied Mathematics,
7, 227-232. doi:
10.4236/am.2016.73021.