@article{1102816957, author = {Rowen, Louis}, title = {Classes of rings torsion-free over their centers.}, journal = {Pacific J. Math.}, volume = {73}, number = {2}, year = {1977}, pages = { 527-534}, language = {en}, url = {http://dml.mathdoc.fr/item/1102816957} }
Rowen, Louis. Classes of rings torsion-free over their centers.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 527-534. http://gdmltest.u-ga.fr/item/1102816957/