ON THE UNIQUENESS OF THE LIMIT CYCLE OF THE QUADRATIC SYSTEM WITH A WEAK FOCUS OF ORDER 2

CHEN WEN-CHENG;ZHANG PIN-GUANG

Journal of Systems Science and Mathematical Sciences ›› 1991, Vol. 11 ›› Issue (3) : 217-226.

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Journal of Systems Science and Mathematical Sciences ›› 1991, Vol. 11 ›› Issue (3) : 217-226. DOI: 10.12341/jssms08644
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ON THE UNIQUENESS OF THE LIMIT CYCLE OF THE QUADRATIC SYSTEM WITH A WEAK FOCUS OF ORDER 2

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{{article.zuoZheEn_L}}. {{article.title_en}}. Journal of Systems Science and Mathematical Sciences, 1991, 11(3): 217-226 https://doi.org/10.12341/jssms08644

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