%0 Journal Article %A Saharon Shelah %A Juris Steprāns %T Possible cardinalities of maximal abelian subgroups of quotients of permutation groups of the integers %J Fundamenta Mathematicae %D 2007 %P 197-235 %V 196 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm196-3-1/ %R 10.4064/fm196-3-1 %G en %F 10_4064_fm196_3_1