@article{1200693391, author = {Ferrero, Miguel}, title = {Galois theory for graded rings}, journal = {Osaka J. Math.}, volume = {8}, number = {1}, year = {1971}, pages = { 453-463}, language = {en}, url = {http://dml.mathdoc.fr/item/1200693391} }
Ferrero, Miguel. Galois theory for graded rings. Osaka J. Math., Tome 8 (1971) no. 1, pp. 453-463. http://gdmltest.u-ga.fr/item/1200693391/