On the oscillation of second-order neutral delay differential equations. Han, Zhenlai; Li, Tongxing; Sun, Shurong; Chen, Weisong — 2010 Advances in Difference Equations [electronic only]
Oscillation criteria for second-order nonlinear neutral delay differential equations. Han, Zhenlai; Li, Tongxing; Sun, Shurong; Chen, Weisong — 2010 Advances in Difference Equations [electronic only]
Oscillation behavior of a class of second-order dynamic equations with damping on time scales. Chen, Weisong; Han, Zhenlai; Sun, Shurong; Li, Tongxing — 2010 Discrete Dynamics in Nature and Society