@article{GDZPPN002188260,
title = {The Jacobson radical of some endomorphism rings.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {258},
year = {1973},
pages = {166-170},
zbl = {0266.16004},
url = {http://dml.mathdoc.fr/item/GDZPPN002188260}
}
Liebert, Wolfgang. The Jacobson radical of some endomorphism rings.. Journal für die reine und angewandte Mathematik, Tome 258 (1973) pp. 166-170. http://gdmltest.u-ga.fr/item/GDZPPN002188260/