@article{GDZPPN00206832X,
title = {Rational tori, semisimple orbits and the topology of hyperplane complements.},
journal = {Commentarii mathematici Helvetici},
volume = {67},
year = {1992},
pages = {226-251},
zbl = {0816.20037},
url = {http://dml.mathdoc.fr/item/GDZPPN00206832X}
}
Lehrer, G.I. Rational tori, semisimple orbits and the topology of hyperplane complements.. Commentarii mathematici Helvetici, Tome 67 (1992) pp. 226-251. http://gdmltest.u-ga.fr/item/GDZPPN00206832X/