@article{GDZPPN002236613,
title = {Degree 1 and 2 representations of nilpotent groups and applications to units of group rings.},
journal = {Manuscripta mathematica},
volume = {86},
year = {1995},
pages = {479-498},
zbl = {0834.16034},
url = {http://dml.mathdoc.fr/item/GDZPPN002236613}
}
Jespers, E.; Leal, G. Degree 1 and 2 representations of nilpotent groups and applications to units of group rings.. Manuscripta mathematica, Tome 86 (1995) pp. 479-498. http://gdmltest.u-ga.fr/item/GDZPPN002236613/