论文部分内容阅读
Existence of Positive Periodic Solutions for the SIV Epidemic Model with Impulsive Vaccination and I
【机 构】
：
DepartmentofMathematics,BeijingInstituteofInformationandControl,AcademyofMathematicsandSystemScience
【出 处】
：
系统科学与信息学报：英文版
【发表日期】
：
2006年1期
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