1. Differential Equations with Impulse Effect;Samoilenko,1987
2. D. D. Bainov, V. Lakshmikantham and P. S. Simeonov, Theory of impulsive differential equations (in press).
3. Stability of differential systems with impulsive perturbations in terms of two measures;Leela;Nonlinear Analysis Theory Meth. Applic.,1977
4. Stability of impulsively perturbed systems;Rao;Bull. Aust. Math. Soc.,1977
5. On the stability of motion in the presence of impulses (in Russian);Mil'man;Sib. Mat. Zh.,1960