Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MAT_1971_15_3_a7, author = {B. Birch}, title = {Weber's class invariants}, journal = {Matematika}, pages = {179--192}, publisher = {mathdoc}, volume = {15}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MAT_1971_15_3_a7/} }
B. Birch. Weber's class invariants. Matematika, Tome 15 (1971) no. 3, pp. 179-192. http://geodesic.mathdoc.fr/item/MAT_1971_15_3_a7/