全局半稳定的一类平面自治系统

Global semistability for a Class of Autonomous Planar system

研究一类平面自治系统＝Ｘ１（ｘ）Ｘ２（ｙ）＝Ｙ（ｘ，ｙ）的全局半稳定，获得此系统为全局半稳定的充分条件，推广和改进了［１］、［２］的结果。

This paper deals mith global semistubility for a class of autonomous planar system Some sufficient conditions are estabished to ensure that the system is globally semistable. some known results in paper [1].[2] are improved and extended.