%0 Journal Article %A A. I. Kashu %T Preradicals and characteristic submodules: connections and operations %J Algebra and discrete mathematics %D 2010 %P 61-77 %V 9 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2010_9_2_a4/ %G en %F ADM_2010_9_2_a4