1. Theory of impulsive differential equations;Lakshmikantham,1989
2. Systems with impulse effect;Bainov,1989
3. Impulsive differential equations;Samoilenko,1995
4. Nonlinear integral equations in abstract spaces;Guo,1996
5. The solution of the heat equation subject to the specification of energy;Cannon;Quart Appl Math,1963