@article{GDZPPN00208516X,
title = {Braid group action, embedding problems and the groups PGLn(q), Pun(q2).},
journal = {Forum mathematicum},
volume = {6},
year = {1994},
pages = {513-536},
url = {http://dml.mathdoc.fr/item/GDZPPN00208516X}
}
Völklein, Helmut. Braid group action, embedding problems and the groups PGLn(q), Pun(q2).. Forum mathematicum, Tome 6 (1994) pp. 513-536. http://gdmltest.u-ga.fr/item/GDZPPN00208516X/