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"Existence of positive periodic solutions for two kinds of neutral ..."
Yan Luo, Weibing Wang, Jianhua Shen (2008)
- Yan Luo, Weibing Wang, Jianhua Shen:
Existence of positive periodic solutions for two kinds of neutral functional differential equations. Appl. Math. Lett. 21(6): 581-587 (2008)
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