摘要
In this paper, system (E3), which has three CF-type singular points on a straight line,is discussed. We get some properties of cubic system which are shown in Theorem 1, 2, and 3
In this paper, system (E3), which has three CF-type singular points on a straight line,is discussed. We get some properties of cubic system which are shown in Theorem 1, 2, and 3