%0 Journal Article %A Jason Greene Boynton %T Atomicity and the fixed divisor in certain pullback constructions %J Colloquium Mathematicum %D 2012 %P 87-97 %V 129 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm129-1-6/ %R 10.4064/cm129-1-6 %G en %F 10_4064_cm129_1_6