Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1957_114_4_a9, author = {I. R. Shafarevich}, title = {Exponents of elliptic curves}, journal = {Doklady Akademii Nauk}, pages = {714--716}, publisher = {mathdoc}, volume = {114}, number = {4}, year = {1957}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a9/} }
I. R. Shafarevich. Exponents of elliptic curves. Doklady Akademii Nauk, Tome 114 (1957) no. 4, pp. 714-716. http://geodesic.mathdoc.fr/item/DAN_1957_114_4_a9/