%0 Journal Article %A Brown, Tom C. %A Graham, Ronald L. %A Landman, Bruce M. %T On the Set of Common Differences in van der Waerden’s Theorem on Arithmetic Progressions %J Canadian mathematical bulletin %D 1999 %P 25-36 %V 42 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1999-003-9/ %R 10.4153/CMB-1999-003-9 %F 10_4153_CMB_1999_003_9