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Limit cycles for 3-monomial differential equations 其他
2015-01-01
Gasull, Armengol; Li, Chengzhi; Torregrosa, Joan
收藏  |  浏览/下载:4/0  |  提交时间:2017/12/03
On the hyperelliptic limit cycles of Lienard systems 其他
2012-01-01
Liu, Changjian; Chen, Guoting; Yang, Jiazhong
收藏  |  浏览/下载:5/0  |  提交时间:2015/11/16
Limit Cycles Bifurcating from the Period Annulus of Quasi-Homogeneous Centers 其他
2009-01-01
Li, Weigu; Llibre, Jaume; Yang, Jiazhong; Zhang, Zhifen
收藏  |  浏览/下载:2/0  |  提交时间:2015/11/10
Cyclicity of elementary polycycles and ensembles with codimension 3 degeneration 其他
1998-01-01
Zhao, LQ; Li, WG; Zhang, ZF
收藏  |  浏览/下载:4/0  |  提交时间:2015/11/11
DEGENERATE HOPF-BIFURCATION FORMULAS AND HILBERTS 16TH PROBLEM 其他
1989-01-01
FARR, WW; LI, CZ; LABOURIAU, IS; LANGFORD, WF
收藏  |  浏览/下载:2/0  |  提交时间:2015/11/16


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