Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1993_53_2_a15, author = {A. A. Tuganbaev}, title = {Quaternion algebras over commutative rings}, journal = {Matemati\v{c}eskie zametki}, pages = {126--131}, publisher = {mathdoc}, volume = {53}, number = {2}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1993_53_2_a15/} }
A. A. Tuganbaev. Quaternion algebras over commutative rings. Matematičeskie zametki, Tome 53 (1993) no. 2, pp. 126-131. http://geodesic.mathdoc.fr/item/MZM_1993_53_2_a15/