期刊论文详细信息
Advances in Difference Equations | |
Periodic solutions for nonautonomous first order delay differential systems via Hamiltonian systems | |
Qiong Meng1  | |
[1] School of Mathematical Science, Shanxi University, Taiyuan, China | |
关键词: first order delay differential equation; nonautonomous; periodic solution; critical point theorems; 34K13; 34K18; 58E50; | |
DOI : 10.1186/s13662-015-0456-0 | |
学科分类:数学(综合) | |
来源: SpringerOpen | |