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[期刊论文] 作者：Zhou Yicang,MA Zhien,
来源：数学物理学报 年份：2004
In this paper,the existence of periodic solutions for a time dependent agestructured population model is studied.The averaged net reproductive number is introdu...
[期刊论文] 作者：YUAN Sanling,MA Zhien,
来源：系统科学与复杂性学报(英文版) 年份：2001
An SIS epidemic model with a discrete delay has been investigated in thisarticle. By means of Liapunov functional, some sufficient conditions of global stabilit...
[期刊论文] 作者：Zhen Jin,Ma Zhien,Han Maoan,
来源：数学物理学报（英文版） 年份：2004
In this article, an SIRS epidemic model spread by vectors (mosquitoes) which have an incubation time to become infectious is formulated. It is shown that a dise...
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