| 1. | The mathematicians turned to culling periodic solutions . 数学家们转而去挑选周期解。 |
| 2. | Periodic solution for a class of duffing equations 一类高阶时滞微分方程的周期解 |
| 3. | A new periodic solution of nonlinear dynamics 一种新的求解非线性系统周期解方法 |
| 4. | Periodic solutions of li nard differential equations with delay 型方程的周期解 |
| 5. | Elliptic periodic solutions for the generalized kdv equation 方程的椭圆周期解 |
| 6. | Existence of periodic solutions of generalized duffing equation 方程周期解的存在性 |
| 7. | Periodic solution for a microbial ecologic model 一个微生物生态模型的周期解 |
| 8. | Periodic solution for a class of duffing equations with delay 一类时滞微分方程的周期解 |
| 9. | Positive periodic solutions of a delayed model in population 一类时滞种群模型的周期正解 |
| 10. | Fractional linear recursive relation with periodic solution 分式线性递归关系的周期解研究 |