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The cyclicity of period annulus of a quadratic reversible Lotka-Volterra system 其他
2009-01-01
Li, Chengzhi; Llibre, Jaume
收藏  |  浏览/下载:6/0  |  提交时间:2015/11/13
QUADRATIC PERTURBATIONS OF A CLASS OF QUADRATIC REVERSIBLE SYSTEMS WITH TWO CENTERS 其他
2009-01-01
Coll, Bartomeu; Li, Chengzhi; Prohens, Rafel
收藏  |  浏览/下载:3/0  |  提交时间:2015/11/16
The period function of hyperelliptic Hamiltonians of degree 5 with real critical points 其他
2008-01-01
Li, Chengzhi; Lu, Kening
收藏  |  浏览/下载:4/0  |  提交时间:2015/11/13
The cyclicity of period annuli of some classes of reversible quadratic systems 其他
2006-01-01
Chen, G; Li, C; Liu, C; Llibre, J
收藏  |  浏览/下载:3/0  |  提交时间:2015/11/16
Linear estimation of the number of zeros of Abelian integrals for some cubic isochronous centers 其他
2002-01-01
Li, CZ; Li, WG; Llibre, J; Zhang, ZF
收藏  |  浏览/下载:2/0  |  提交时间:2015/11/10
Linear estimate of the number of zeros of Abelian integrals for a class of integrable non-Hamiltonian systems 其他
2001-01-01
Li, C.; Li, W.; Llibre, J.; Zhang, Z.
收藏  |  浏览/下载:2/0  |  提交时间:2015/11/12
Linear estimate of the number of zeros of Abelian integrals for a class of integrable non-Hamiltonian systems 其他
2001-01-01
Li, CZ; Li, WG; Llibre, J; Zhang, ZF
收藏  |  浏览/下载:1/0  |  提交时间:2015/11/10


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