On the number of limit cycles of planar quadratic vector fields

被引:0
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作者
A. Yu. Fishkin
机构
[1] Moscow State University,Faculty of Mechanics and Mathematics
来源
Doklady Mathematics | 2009年 / 80卷
关键词
Vector Field; Singular Point; DOKLADY Mathematic; Taylor Coefficient; Focus Type;
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页码:728 / 730
页数:2
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