摘要
本文研究了一类传染病模型周期正解的存在唯一性.
In this Paper,a periodic nonlinear delay differential system for describing themodel of epidemic is studied,and the existence,uniqueness of the positive periodic solutions arediscussed.
出处
《生物数学学报》
CSCD
1997年第4期339-344,共6页
Journal of Biomathematics
关键词
传染病模型
周期解
医用数学
Infectious disease model,periodic solution,existence and uniqueness