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Periodic Solutions of SEIS Model with General Saturated Contact Rate
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- Author:
- No author available
- Journal Title:
- JOURNAL OF BIOMATHEMATICS
- Issue:
- 2
- DOI:
- 10.3969/j.issn.1001-9626.2008.02.004
- Key Word:
- 流行病数学模型;周期解;拓扑度
Abstract： 利用重合度的延拓定理,导出了具有一般形式饱和接触率SEIS模型周期解的存在性准则.
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