Oscillations of second order impulses nonlinear FDE with forcing term. - Chaolong Zhang 003; Weizhen Feng; Jianfu Yang; Mugen Huang (Appl. Math. Comput., 2008)

Oscillation criteria for second order nonlinear dynamic equations with impulses. - Mugen Huang (Comput. Math. Appl., 2010)

Forced oscillations for second order delay differential equations with impulses. - Mugen Huang; Weizhen Feng (Comput. Math. Appl., 2010)