摘要
:讨论一类非自治两种传染病传染的 L ogistic增长 SIS模型 。
A nonautonomous epidemiological model of SIS type with Logistic rate is considered and the conditions for the existence of a positive periodic solution are obtained.
出处
《信阳师范学院学报（自然科学版）》
CAS
2000年第4期391-393,共3页
Journal of Xinyang Normal University(Natural Science Edition)
