1. Theory of Impulsive Differential Equations;Lakshmikantham,1989
2. Differential Systems Involving Impulses;Pandit,1982
3. Differential Equations with Impulse Effect;Samoilenko,1987
4. Periodic boundary value problems for second order impulsive differential systems;Hu;Nonlinear Anal. Theory, Methods and Appl.,1989
5. Periodic boundary value problems for systems of first order impulsive differential equations;Bainov;Differential and Integral Equations,1989