@article{EJDE_2009__2009__a123,
     author = {Cherif,  Mohamed Amine and Emamirad,  Hassan},
     title = {Approximation in the sense of {Kato} for the transport problem},
     journal = {Electronic journal of differential equations},
     year = {2009},
     volume = {2009},
     zbl = {1173.65039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a123/}
}