@article{1077475514,
author = {Nakayama, Tadasi},
title = {Commuter systems in a ring with radical},
journal = {Duke Math. J.},
volume = {16},
number = {1},
year = {1949},
pages = { 331-337},
language = {en},
url = {http://dml.mathdoc.fr/item/1077475514}
}
Nakayama, Tadasi. Commuter systems in a ring with radical. Duke Math. J., Tome 16 (1949) no. 1, pp. 331-337. http://gdmltest.u-ga.fr/item/1077475514/