1. Samoilenko, A. and Perestyuk, N., Impulsive Differential Equations, London: Word Scientific, 1995.
2. Gurgula, S.I. and Perestyuk, N.A., Direct Lyapunov Method for the Differential Equations with Impulsive Action, Mat. Fiz. Nonlin. Mekhan., 1986, no. 5, pp. 4–9.
3. Gladilina, R.I., On Stability of the Trivial Solution of the Periodic Systems with Impulsive Action, Mekh. Tverdogo Tela, 2001, no. 31, pp. 76–82.
4. Gladilina, R.I. and Ignat’ev, A.O., On Stability of the Periodic Systems with Impulsive Action, Mat. Zametki, 2004, vol. 76, no. 1, pp. 44–51.
5. Perestyuk, N.A. and Chernikova, O.C., Stability of the Solutions of Impulsive Systems, Ukr. Mat. Zh., 1997, vol. 49, no. 1, pp. 98–111.