@article{GDZPPN001170570,
title = {On Integral Groups. I. The Reducible Case.},
journal = {Numerische Mathematik},
volume = {19},
year = {1972},
pages = {386-399},
zbl = {0244.20056},
url = {http://dml.mathdoc.fr/item/GDZPPN001170570}
}
Zassenhaus, H.; Neubüser, J.; Brown, H. On Integral Groups. I. The Reducible Case.. Numerische Mathematik, Tome 19 (1972) pp. 386-399. http://gdmltest.u-ga.fr/item/GDZPPN001170570/