@article{GDZPPN002063441,
title = {Simplicity of the projective unitary groups defined by simple factors.},
journal = {Commentarii mathematici Helvetici},
volume = {54},
year = {1979},
pages = {334-346},
zbl = {0406.46051},
url = {http://dml.mathdoc.fr/item/GDZPPN002063441}
}
Harpe, P. de de. Simplicity of the projective unitary groups defined by simple factors.. Commentarii mathematici Helvetici, Tome 54 (1979) pp. 334-346. http://gdmltest.u-ga.fr/item/GDZPPN002063441/