@article{EJDE_2009__2009__a60,
     author = {Wu,  Jun and Liu,  Yicheng},
     title = {Existence and uniqueness of solutions for the fractional integro-differential equations in {Banach} spaces},
     journal = {Electronic journal of differential equations},
     year = {2009},
     volume = {2009},
     zbl = {1176.45014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a60/}
}