%0 Journal Article %A Peter V. Hegarty %T Some explicit constructions of sets with more sums than differences %J Acta Arithmetica %D 2007 %P 61-77 %V 130 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa130-1-4/ %R 10.4064/aa130-1-4 %G en %F 10_4064_aa130_1_4