@article{EJDE_2001__2001__a113,
     author = {Magal,  Pierre},
     title = {Compact attractors for time-periodic age-structured population models},
     journal = {Electronic journal of differential equations},
     year = {2001},
     volume = {2001},
     zbl = {0992.35019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2001__2001__a113/}
}