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Genqiang Wang, Jurang Yan       Periodic solutions of the non-autonomous Lienard equations with deviating arguments       Int. Math. Forum, Vol. 1, 2006, no. 17-20, 897 - 908       http://dx.doi.org/10.12988/imf.2006.06075
Copyright © 2006 Genqiang Wang and Jurang Yan. This article is distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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