Abstract：This paper takes the qualitative analysis of two classes of quadratic differential systems, and gives the global topological structure of their phase portraits. Besides, it compares the global topological structure of phase portraits of three classes of quadratic differential systems.
收稿日期: 1997-02-25
引用本文:
黄建华 梁肇军. 两类二次系统的轨线拓扑结构[J]. , 1997, 36(2): 0-0.
黄建华 梁肇军. THE GLOBAL TOPOLOGICAL STRUCTURE OF PHASE PORTRAITS OF TWO CLASSES OF QUADRATIC DIFFERENTIAL SYSTEMS. , 1997, 36(2): 0-0.
