Phase portraits of quadratic polynomial vector fields having a rational first integral of degree 3
Phase portraits of quadratic polynomial vector fields having a rational first integral of degree 3
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DOI:
10.1016/j.na.2008.07.012
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发表时间:
2009-05
影响因子:
1.4
通讯作者:
J. Llibre;Regilene D. S. Oliveira
中科院分区:
文献类型:
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作者:
J. Llibre;Regilene D. S. Oliveira