@article{01894852,
title = {On matrix rings over unit-regular rings.},
journal = {Beitr\"age zur Algebra und Geometrie},
volume = {44},
year = {2003},
pages = {179-188},
zbl = {1025.16008},
language = {en},
url = {http://dml.mathdoc.fr/item/01894852}
}
Lok, Tsan-Ming; Shum, K.P. On matrix rings over unit-regular rings.. Beiträge zur Algebra und Geometrie, Tome 44 (2003) pp. 179-188. http://gdmltest.u-ga.fr/item/01894852/