@article{EJDE_2009__2009__a82,
     author = {Mophou,  Gisele M. and N'Guerekata,  Gaston M.},
     title = {Mild solutions for semilinear fractional differential equations},
     journal = {Electronic journal of differential equations},
     year = {2009},
     volume = {2009},
     zbl = {1179.34002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a82/}
}