%0 Journal Article %A H. Abbott %T On sum-free sequences %J Acta Arithmetica %D 1987 %P 93-96 %V 48 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-48-1-93-96/ %R 10.4064/aa-48-1-93-96 %G en %F 10_4064_aa_48_1_93_96