@article{GDZPPN002034387,
title = {On commutativity of P.I. rings. (Short Communication).},
journal = {Aequationes mathematicae},
volume = {26},
year = {1983},
pages = {121-121},
url = {http://dml.mathdoc.fr/item/GDZPPN002034387}
}
Bell, Howard E. On commutativity of P.I. rings. (Short Communication).. Aequationes mathematicae, Tome 26 (1983) p. 121. http://gdmltest.u-ga.fr/item/GDZPPN002034387/