%0 Journal Article %A Paul Erdős %A Moshe Rosenfeld %T The factor-difference set of integers %J Acta Arithmetica %D 1997 %P 353-359 %V 79 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-79-4-353-359/ %R 10.4064/aa-79-4-353-359 %G en %F 10_4064_aa_79_4_353_359