@article{2570,
author = {Hoffman, A.E. and Leavitt, W.G.},
title = {Properties inherited by the lower radical},
journal = {Portugaliae mathematica},
volume = {27},
year = {1968},
pages = {63-66},
zbl = {0199.35401},
mrnumber = {0262278},
language = {en},
url = {http://dml.mathdoc.fr/item/2570}
}
Hoffman, A.E.; Leavitt, W.G. Properties inherited by the lower radical. Portugaliae mathematica, Tome 27 (1968) pp. 63-66. http://gdmltest.u-ga.fr/item/2570/