一类系统的极限环讨论及应用

封汉颍,徐瑞,阳平华,刘启明,王志强

Discussion of Limit Cycles for a Class of Systems and Its Applications

河北大学学报(自然科学版) . 2001, (3): 224 -227 . DOI: 10.3969/j.issn.1000-1565.2001.03.005