@article{EJDE_2004__2004__a101,
     author = {Dhage,  Bapurao C. and Boucherif,  Abdelkader and Ntouyas,  Sotiris K.},
     title = {On periodic boundary value problems of first-order perturbed impulsive differential inclusions},
     journal = {Electronic journal of differential equations},
     year = {2004},
     volume = {2004},
     zbl = {1062.34008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a101/}
}