一类具有时滞的捕食者-猎物-共生者系统的研究
郑立飞,郭洁,吴美华,王小瑞,万阿英

The Research on a Class of the Predator-Prey-Mutualist System with Delays
Lifei Zheng,Jie Guo,Meihua Wu,Xiaorui Wang,Aying Wan
图 9 $\tau_{1}=4, \tau_{2}=21$$E_{6}$(渐近稳定)