具有蝴蝶型相图的三次近Hamilton系统Abelian积分的零点个数
杨纪华, 张二丽, 李三杰, 刘媚
The Number of Zeros of Abelian Integrals for Near-Hamilton System of Degree Three with a Butterfly
Ji Hua YANG, Er Li ZHANG, San Jie LI, Mei LIU
数学学报
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2018, (1): 19
-26
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DOI: 10.12386/A2018sxxb0002
