摘要
本文是文[1]和文[2]的继续,进一步讨论二阶非线性摄动常微分方程??的解的振动性质,建立了方程的两个新的振动性原理.改进和推广了已知的一些结果.
The oscillation of solutions of the second order perturbed nonlinear differential equationis discussed. Two new theorems are established. Our results improved and generalized some known results.
出处
《西北师范大学学报(自然科学版)》
CAS
1992年第1期9-14,共6页
Journal of Northwest Normal University(Natural Science)
关键词
非线性
摄动微分方程
振动性
second order
nonlinear
perturbed differential equation
oscillatory