Volume 7, Issue 5 276930 pp. 279-286
Article
Open Access

Positive periodic solutions of nonautonomous functional differential equations depending on a parameter

Guang Zhang

Guang Zhang

Department of Mathematics Yanbei Normal College and Datong College Datong Shanxi 037000, China

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Sui Sun Cheng

Sui Sun Cheng

Department of Mathematics Tsing Hua University Hsinchu Taiwan 30043, Taiwan , tsinghua.edu.cn

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First published: 23 May 2002
Citations: 31
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