ON(η,d)-CONTRACTIBLE ORBITS OF VECTOR FIELDS
摘要
be the set ofall X∈（?） possessing the property that X has a neighbourhood （?） such that every Y∈（?） hasonly a finite number of singularities and at most a countable number of periodic orbits.Inthis paper,it is shown that any given S∈（?） has a neighbourhood （?） in （?） together with anumber λ=λ（?）>0 such that θ（X）≤λfor all X∈（?）.
引用本文（GB/T 7714）
廖山涛. ON(η,d)-CONTRACTIBLE ORBITS OF VECTOR FIELDS[J]. 系统科学与复杂性：英文版, 1989.
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