Acta mathematica scientia,Series B ›› 1995, Vol. 15 ›› Issue (1): 113-120.
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Li Xuemin, Yang Dianwu
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Abstract: In this paper we discuss the topological structure near the singular point O (0,0) of the plane cubic system in the undetermined sign case,and give their coefficient conditions.
Key words: topologicaal structure, cudic system, undetermined sign case
Li Xuemin, Yang Dianwu. LOCAL TOPOLOGICAL STRUCTURE OF THE PLANE CUBIC SYSTEM IN THE UNDETERMINED SIGN CASE[J].Acta mathematica scientia,Series B, 1995, 15(1): 113-120.
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