| |
| 2005 | ||
|---|---|---|
| 2 | EE | Yongkun Li, Lifei Zhu: Existence of positive periodic solutions for difference equations with feedback control. Appl. Math. Lett. 18(1): 61-67 (2005) |
| 2004 | ||
| 1 | EE | Yongkun Li, Lifei Zhu: Positive periodic solutions for a class of higher-dimensional state-dependent delay functional differential equations with feedback control. Applied Mathematics and Computation 159(3): 783-795 (2004) |
| 1 | Yongkun Li | [1] [2] |