文章基本信息

标题：Existence of positive periodic solution of a periodic cooperative model with delays and impulses
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作者：Yongkun Li ; Wenya Xing
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：2006
卷号：2006
DOI：10.1155/IJMMS/2006/38617
出版社：Hindawi Publishing Corporation
摘要：Sufficient conditions are obtained for the existence of at least one positive periodic solution of a periodic cooperative model with delays and impulses by using Mawhin's continuation theorem of coincidence degree theory.