中国科学院数学与系统科学研究院期刊网
JSSC
EXISTENCE AND ANALYTICAL APPROXIMATIONS OF LIMIT CYCLES IN A THREE-DIMENSIONAL NONLINEAR AUTONOMOUS FEEDBACK CONTROL SYSTEM
CHEN Huaxiong,SHEN Jianhe,ZHOU Zheyan
EXISTENCE AND ANALYTICAL APPROXIMATIONS OF LIMIT CYCLES IN A THREE-DIMENSIONAL NONLINEAR AUTONOMOUS FEEDBACK CONTROL SYSTEM
CHEN Huaxiong,SHEN Jianhe,ZHOU Zheyan
Journal of Systems Science and Complexity . 2014, (6): 1158 -1171 .  DOI: 10.1007/s11424-014-2015-2