摘要
研究了一类食饵与捕食者系统 :dx/dt =x(a +bx +cx2 +dy +exy) ,dy/dt =y(x2 - 1)。在某些条件下 。
The existence,uniqueness and non existence of the limit cycles in cubic kind of food and predaceous system d x/ d t=x(a+bx+cx 2+dy+exy), d y/ d t=y(x 2-1), were proved on certain conditions.
出处
《东北电力学院学报》
2002年第3期45-48,共4页
Journal of Northeast China Institute of Electric Power Engineering
