Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{PORMA_1959__18_1_114809, author = {Conrad, Paul}, title = {Generalized semigroup rings - {II}}, journal = {Portugaliae mathematica}, pages = {33--53}, publisher = {mathdoc}, volume = {18}, number = {1}, year = {1959}, mrnumber = {0113921}, zbl = {0090.02102}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1959__18_1_114809/} }
Conrad, Paul. Generalized semigroup rings - II. Portugaliae mathematica, Tome 18 (1959) no. 1, pp. 33-53. http://geodesic.mathdoc.fr/item/PORMA_1959__18_1_114809/