@article{GDZPPN002422085,
title = {SGn of Orders and Group-Rings.},
journal = {Mathematische Zeitschrift},
volume = {166},
year = {1979},
pages = {291-295},
zbl = {0381.16014},
url = {http://dml.mathdoc.fr/item/GDZPPN002422085}
}
Kuku, Aderemi O. SGn of Orders and Group-Rings.. Mathematische Zeitschrift, Tome 166 (1979) pp. 291-295. http://gdmltest.u-ga.fr/item/GDZPPN002422085/