%0 Journal Article %A Friedrich Wehrung %T Monotone σ-complete groups with unbounded refinement %J Fundamenta Mathematicae %D 1996 %P 177-187 %V 151 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-151-2-177-187/ %R 10.4064/fm-151-2-177-187 %G en %F 10_4064_fm_151_2_177_187