@article{EJDE_2010__2010__a192,
     author = {Kato,  Takamori},
     title = {Remark on well-posedness and ill-posedness for the {KdV} equation},
     journal = {Electronic journal of differential equations},
     year = {2010},
     volume = {2010},
     zbl = {1201.35170},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a192/}
}