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中国科学院数学与系统科学研究院期刊网
ISSN 0254-3079 CN 11-2040/O1
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中文
Four Finite Isochronous Centers in a Quartic
Z
3
-equivariant Vector Field
WU Yusen, LIU Yirong
Acta Mathematicae Applicatae Sinica . 2017, (
2
): 218 -228 . DOI: 10.12387/C2017020