%0 Journal Article %A Carvajal, Xavier %T A note on local smoothing effects for the unitary group associated with the KdV equation %J Electronic Journal of Differential Equations %D 2008 %V 2008 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2008__2008__a77/ %G en %F EJDE_2008__2008__a77