@article{EJDE_2015__2015__a54,
     author = {Henshaw,  Sarah and McCluskey,  C.Connell},
     title = {Global stability of a vaccination model with immigration},
     journal = {Electronic journal of differential equations},
     year = {2015},
     volume = {2015},
     zbl = {1318.34065},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2015__2015__a54/}
}