%0 Journal Article %A J.C. BEIDLEMAN %A D.J.S. ROBINSON %T On the Structure of the Normal Subgroups of a Group: Nilpotency. %J Forum mathematicum %D 1991 %P 581-594 %V 3 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FORUM_1991__3_2_186408/ %F FORUM_1991__3_2_186408