%0 Journal Article %A Hui-Qin Cao %A Zhi-Wei Sun %T On sums of distinct representatives %J Acta Arithmetica %D 1998 %P 159-169 %V 87 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-87-2-159-169/ %R 10.4064/aa-87-2-159-169 %G en %F 10_4064_aa_87_2_159_169