%0 Journal Article %A E. Jespers %A G. Leal %T Degree 1 and 2 representations of nilpotent groups and applications to units of group rings. %J Manuscripta mathematica %D 1995 %P 479-498 %V 86 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1995__86_3_156067/ %F MM2_1995__86_3_156067