TY - JOUR AU - Iosevich, Alex AU - Lu, Guozhen TI - Sharpness Results and Knapp’s Homogeneity Argument JO - Canadian mathematical bulletin PY - 2000 SP - 63 EP - 68 VL - 43 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-009-7/ DO - 10.4153/CMB-2000-009-7 ID - 10_4153_CMB_2000_009_7 ER -