@article{1183532749,
author = {Stein, Michael R.},
title = {Chevalley groups over commutative rings},
journal = {Bull. Amer. Math. Soc.},
volume = {77},
number = {6},
year = {1971},
pages = { 247-252},
language = {en},
url = {http://dml.mathdoc.fr/item/1183532749}
}
Stein, Michael R. Chevalley groups over commutative rings. Bull. Amer. Math. Soc., Tome 77 (1971) no. 6, pp. 247-252. http://gdmltest.u-ga.fr/item/1183532749/