%0 Journal Article %A Leonid A. Kurdachenko %A Javier Otal %T Direct decompositions of artinian modules related to formations of groups %J Algebra and discrete mathematics %D 2003 %P 68-76 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ADM_2003_1_a5/ %G en %F ADM_2003_1_a5