%0 Journal Article %A Iosevich, Alex %A Lu, Guozhen %T Sharpness Results and Knapp’s Homogeneity Argument %J Canadian mathematical bulletin %D 2000 %P 63-68 %V 43 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-009-7/ %R 10.4153/CMB-2000-009-7 %F 10_4153_CMB_2000_009_7