@article{10_4153_CMB_2000_009_7,
     author = {Iosevich, Alex and Lu, Guozhen},
     title = {Sharpness {Results} and {Knapp{\textquoteright}s} {Homogeneity} {Argument}},
     journal = {Canadian mathematical bulletin},
     pages = {63--68},
     year = {2000},
     volume = {43},
     number = {1},
     doi = {10.4153/CMB-2000-009-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-009-7/}
}