@article{GDZPPN002305038,
title = {Subgroups and Conjugates in Semi-Prime Rings.},
journal = {Mathematische Annalen},
volume = {193},
year = {1971},
pages = {313-327},
zbl = {0206.04403},
url = {http://dml.mathdoc.fr/item/GDZPPN002305038}
}
LANSKI, Charles. Subgroups and Conjugates in Semi-Prime Rings.. Mathematische Annalen, Tome 193 (1971) pp. 313-327. http://gdmltest.u-ga.fr/item/GDZPPN002305038/