%0 Journal Article
%T Isochronous Center of a Cubic Reversible System<br>一类可逆三次系统的等时中心
%A SANG Bo
%A <br>桑波
%J 系统科学与数学
%D 2008
%I 
%X For polynomial systems, an algorithm to deduce time-reversible conditions is given;For a cubic reversible system, an improved algorithm for computing period coefficients are introduced, and the necessary and sufficient conditions for the orgin to be isochronous center are obtained.
%K Cubic system
%K reversible system
%K period coefficient
%K isochronous center<br>三次系统
%K 可逆系统
%K 周期系数
%K 等时中心
%K 可逆三次系统
%K 等时中心
%K REVERSIBLE
%K SYSTEM
%K CUBIC
%K 代数条件
%K 改进算法
%K 周期系数
%K 多项式系统
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=37F46C35E03B4B86&jid=0CD45CC5E994895A7F41A783D4235EC2&aid=47A27919309D0A2E1B2A809607E46452&yid=67289AFF6305E306&vid=D3E34374A0D77D7F&iid=0B39A22176CE99FB&sid=28F8B56DB6BEE30E&eid=5E25104E99903E8A&journal_id=1000-0577&journal_name=系统科学与数学&referenced_num=0&reference_num=13