中立型脉冲双曲型方程的振动准则
朱先 阳, 李永昆, 卢玲红
Oscillation Criteria for Impulsive Hyperbolic Equations of Neutral Type
ZHU Xian-yang, LI Yong-kun, LU Ling-hong
数学季刊 . 2006, (2): 176 -184 .