文章基本信息

标题：Positive periodic solutions of a discrete mutualism model with time delays
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作者：Yongkun Li
期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2005
卷号：2005
期号：4
页码：499-506
DOI：10.1155/IJMMS.2005.499
出版社：Hindawi Publishing Corporation
摘要：
A discrete periodic mutualism model with time delays is investigated. By using Gaines and Mawhin's continuation theorem of coincidence degree theory, the existence of positive periodic solutions of the model is established.