更改

{{Reflist|colwidth=30em}}

{{Reflist|colwidth=30em}}

== References ==

==参阅==

* {{cite book |first=V. S. |last=Afrajmovich |first2=V. I. |last2=Arnold |author2link=Vladimir Arnold |title=Bifurcation Theory and Catastrophe Theory |location= |publisher= |year=1994 |isbn=978-3-540-65379-0 |display-authors=etal}}

* {{cite book |first=V. S. |last=Afrajmovich |first2=V. I. |last2=Arnold |author2link=Vladimir Arnold |title=Bifurcation Theory and Catastrophe Theory |location= |publisher= |year=1994 |isbn=978-3-540-65379-0 |display-authors=et al}}

* {{cite book |first=Stephen |last=Wiggins |title=Global bifurcations and Chaos: Analytical Methods |year=1988 |publisher=Springer |location=New York |isbn=978-0-387-96775-2 |url=https://books.google.com/books?id=s1zdBwAAQBAJ }}

* {{cite book |first=Stephen |last=Wiggins |title=Global bifurcations and Chaos: Analytical Methods |year=1988 |publisher=Springer |location=New York |isbn=978-0-387-96775-2 |url=https://books.google.com/books?id=s1zdBwAAQBAJ }}

==其余链接 ==

==其余链接 ==