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- [1] Existence of periodic solutions for a class of second-order differential equation with multiple deviating arguments Zhongshan Daxue Xuebao, 2007, 6 (5-9): : 5 - 9
- [5] A Priori Bounds for Periodic Solutions of a Kind of Second Order Neutral Functional Differential Equation with Multiple Deviating Arguments Acta Mathematica Sinica, 2005, 21 : 1309 - 1314