具有正负系数的二阶中立型时滞Emden-Fowler方程的振动准则

罗红英, 屈英, 俞元洪

Oscillation Criteria of Second Order Neutral Delay Emden-Fowler Equations with Positive and Negative Coefficients

LUO Hongying, QU Ying, YU Yuanhong

应用数学学报 . 2017, (5): 667 -675 . DOI: 10.12387/C2017055