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中国科学院数学与系统科学研究院期刊网
ISSN 1439-8516 CN 11-2039/O1
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The Closed Orbits of a Class of Cubic Vector Fields in R
3
Hong Yan YIN, Da ZHOU, Xing An ZHANG
Acta Mathematica Sinica . 2020, (
12
): 1429 -1440 . DOI: 10.1007/s10114-020-6350-z