This paper has made researches on first order neutral differential equations with varia-ble coefficients and several *** asymptotic behavior of nonoscillatory solutions of the equations are *** and sufficient conditio...
详细信息
This paper has made researches on first order neutral differential equations with varia-ble coefficients and several *** asymptotic behavior of nonoscillatory solutions of the equations are *** and sufficient conditions and several sufficient conditions for the oscillations of the equations are *** relevent results in [1-3] are improved and genera-lized.
暂无评论