| 1. | Periodic function and its least positive period
周期函数及其最小正周期 |
| 2. | Periodicity in predator - prey chain sytem of three species with impulse
食饵链系统正周期解的存在性 |
| 3. | The global existence of periodic solution of a competition lotka - volterra model
系统正周期解的存在性 |
| 4. | Studied periodic function and its least positive period
摘要研究了周期函数及其最小正周期的若干问题。 |
| 5. | The existence of the periodic solution of a lotka - volterra system with impulses
系统的正周期解的存在性 |
| 6. | Existence of periodic solutions for a class of mixed system with impulses
一类脉冲混合系统正周期解的存在性 |
| 7. | Positive periodic solutions for nonautonomous differential equations with delay
非自治时滞微分方程的正周期解 |
| 8. | The existence of positive periodic solution for a differtial equation with delay
一类时滞微分方程正周期解的存在性 |
| 9. | Existence of positive periodic solutions of a class of delay differential equations
一类时滞周期模型正周期解的存在性 |
| 10. | The existence of positive periodic solution for a neutral delay lotka - volterra system
系统的正周期解的存在性和全局渐近稳定性 |
