%0 Journal Article %A Yong-Gao Chen %A Lin-Feng Cheng %T Visibility of lattice points %J Acta Arithmetica %D 2003 %P 203-207 %V 107 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa107-3-1/ %R 10.4064/aa107-3-1 %G en %F 10_4064_aa107_3_1