@article{EJDE_2004__2004__a1,
     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},
     publisher = {mathdoc},
     volume = {2004},
     year = {2004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2004__2004__a1/}
}