%0 Journal Article %A I.S. Cohen %A I. Kaplansky %T Rings for which every module is a direct sum of cyclic modules. %J Mathematische Zeitschrift %D 1951 %P 97-101 %V 54 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1951__54_169212/ %F MZ_1951__54_169212