%0 Journal Article %A Ford, Kevin %T A Strong Form of a Problem of R. L. Graham %J Canadian mathematical bulletin %D 2004 %P 358-368 %V 47 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2004-035-7/ %R 10.4153/CMB-2004-035-7 %F 10_4153_CMB_2004_035_7