@article{GDZPPN002205564,
title = {Clifford theory for group-graded rings. II.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {390},
year = {1988},
pages = {148-181},
zbl = {0638.16001},
url = {http://dml.mathdoc.fr/item/GDZPPN002205564}
}
Dade, Everett C. Clifford theory for group-graded rings. II.. Journal für die reine und angewandte Mathematik, Tome 390 (1988) pp. 148-181. http://gdmltest.u-ga.fr/item/GDZPPN002205564/