@article{01214057,
title = {Second method of Lyapunov for stability of linear impulsive differential-difference equations with variable impulsive perturbations.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {11},
year = {1998},
pages = {209-216},
doi = {10.1155/S104895339800015X},
zbl = {0943.34062},
language = {en},
url = {http://dml.mathdoc.fr/item/01214057}
}
Bainov, D.D.; Stamova, I.M.; Vatsala, A.S. Second method of Lyapunov for stability of linear impulsive differential-difference equations with variable impulsive perturbations.. Journal of Applied Mathematics and Stochastic Analysis, Tome 11 (1998) pp. 209-216. doi : 10.1155/S104895339800015X. http://gdmltest.u-ga.fr/item/01214057/