摘要
利用重合度理论证明了Lienard方程在渐近非一致条件下周期解的存在性
In this paper,we use the coincidence degree theory to prove the existence for periodic solution of forced Lienard equation with nonuniform conditions at the two first eigenvalues.
出处
《南京师大学报(自然科学版)》
CAS
CSCD
1997年第4期14-19,共6页
Journal of Nanjing Normal University(Natural Science Edition)