Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1952__11_2_114701, author = {Clarke, F. Marion}, title = {Note on quasi-regularity and the {Perlis-Jacobson} radical}, journal = {Portugaliae mathematica}, pages = {89--94}, publisher = {mathdoc}, volume = {11}, number = {2}, year = {1952}, mrnumber = {0050568}, zbl = {0047.03201}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1952__11_2_114701/} }
Clarke, F. Marion. Note on quasi-regularity and the Perlis-Jacobson radical. Portugaliae mathematica, Tome 11 (1952) no. 2, pp. 89-94. http://geodesic.mathdoc.fr/item/PORMA_1952__11_2_114701/