Oscillation criteria for even-order half-linear functional differential equations with damping. - Quanxin Zhang; Shouhua Liu; Li Gao (Appl. Math. Lett., 2011)

Oscillation of even-order half-linear functional differential equations with damping. - Shouhua Liu; Quanxin Zhang; Yuanhong Yu 001 (Comput. Math. Appl., 2011)

Oscillatory behavior of third-order nonlinear delay dynamic equations on time scales. - Li Gao; Quanxin Zhang; Shouhua Liu (J. Comput. Appl. Math., 2014)