| 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. | Limit cycle problem for a non - li 233 ; nard type cubic system 型方程周期解的存在性 |
| 5. | Periodic solutions of li nard differential equations with delay 型方程的周期解 |
| 6. | Elliptic periodic solutions for the generalized kdv equation 方程的椭圆周期解 |
| 7. | Existence of periodic solutions of generalized duffing equation 方程周期解的存在性 |
| 8. | Analytic solutions of an iterative functional equation x bx 方程特殊拟周期解的构造 |
| 9. | Periodic solution for a microbial ecologic model 一个微生物生态模型的周期解 |
| 10. | Periodic solution for a class of duffing equations with delay 一类时滞微分方程的周期解 |