NECESSARY AND SUFFICIENT CONDITIONS OF A PLANE n-DEGREE SYSTEM WITH DULAC’S CENTER

NECESSARY AND SUFFICIENT CONDITIONS OF A PLANE n-DEGREE SYSTEM WITH DULAC’S CENTER

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摘要 In this paper, we discuss the necessary and sufficient conditions of a plane n-degree system with Dulac’s center. In this paper, we discuss the necessary and sufficient conditions of a plane n-degree system with Dulac’s center.

作者李学敏陈玉波

机构地区山东师范大学

出处《Annals of Differential Equations》 1997年第4期366-376,共11页 微分方程年刊（英文版）

关键词 plane n-degree system Dulac center singular curve plane n-degree system, Dulac center, singular curve

分类号 O212 [理学—概率论与数理统计]

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Annals of Differential Equations

1997年第4期

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NECESSARY AND SUFFICIENT CONDITIONS OF A PLANE n-DEGREE SYSTEM WITH DULAC’S CENTER

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