@article{EJDE_2012__2012__a18,
     author = {Abta, Abdelhadi and Kaddar, Abdelilah and Alaoui, Hamad Talibi},
     title = {Global stability for delay {SIR} and {SEIR} epidemic models with saturated incidence rates},
     journal = {Electronic Journal of Differential Equations},
     publisher = {mathdoc},
     volume = {2012},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a18/}
}