文章基本信息

标题：Periodic Solutions for a System of Difference Equations
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作者：Shugui Kang ; Bao Shi
期刊名称：Discrete Dynamics in Nature and Society
印刷版ISSN：1026-0226
电子版ISSN：1607-887X
出版年度：2009
卷号：2009
DOI：10.1155/2009/760328
出版社：Hindawi Publishing Corporation
摘要：This paper deals with the second-order nonlinear systems of difference equations, we obtain the existence theorems of periodic solutions. The theorems are proved by using critical point theory.