%0 Journal Article %A Kato, Takamori %T Remark on well-posedness and ill-posedness for the KdV equation %J Electronic Journal of Differential Equations %D 2010 %V 2010 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a192/ %G en %F EJDE_2010__2010__a192