@article{GDZPPN002203731,
title = {Clifford theory for group-graded rings.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {372},
year = {1986},
pages = {40-86},
zbl = {0583.16001},
url = {http://dml.mathdoc.fr/item/GDZPPN002203731}
}
Dade, Everett C. Clifford theory for group-graded rings.. Journal für die reine und angewandte Mathematik, Tome 372 (1986) pp. 40-86. http://gdmltest.u-ga.fr/item/GDZPPN002203731/