@article{EJDE_2003__2003__a109,
     author = {Bu\c{s}e,  Constantin and Lupulescu,  Vasile},
     title = {Exponential stability of linear and almost periodic systems on {Banach} spaces},
     journal = {Electronic journal of differential equations},
     year = {2003},
     volume = {2003},
     zbl = {1043.35022},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2003__2003__a109/}
}