摘要
本文研究了一类kolmogorov生态系统，证明了有关它的极限环的存在性与唯一性的若干定理．
In this paper,the quartic bioecology differential system is studiad .and sometheorems of existence and uniqueness of limit cyscles of this differential systern are proved.
出处
《湖南教育学院学报》
1997年第2期34-39,共6页
Journal of Hunan Educational Institute
