中国科学院数学与系统科学研究院期刊网
AMS
Limit Cycles of Liénard Systems with Several Equilibria
Hebai Chen, Yilei Tang, Dongmei Xiao
Acta Mathematica Sinica . 2025, (4): 1104 -1130 .  DOI: 10.1007/s10114-025-3420-2