@article{GDZPPN002307820,
title = {Solvable Normal Subgroups and Nilpotent Ideals in Matrix Rings.},
journal = {Mathematische Annalen},
volume = {201},
year = {1973},
pages = {251-264},
zbl = {0249.16012},
url = {http://dml.mathdoc.fr/item/GDZPPN002307820}
}
Lanski, Charles. Solvable Normal Subgroups and Nilpotent Ideals in Matrix Rings.. Mathematische Annalen, Tome 201 (1973) pp. 251-264. http://gdmltest.u-ga.fr/item/GDZPPN002307820/