@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/