@article{GDZPPN000366668, title = {Free Arrangements and Relation Spaces.}, journal = {Discrete \& computational geometry}, volume = {11}, year = {1994}, pages = {49-64}, zbl = {0802.52010}, url = {http://dml.mathdoc.fr/item/GDZPPN000366668} }
Brandt, K.A.; Terao, H. Free Arrangements and Relation Spaces.. Discrete & computational geometry, Tome 11 (1994) pp. 49-64. http://gdmltest.u-ga.fr/item/GDZPPN000366668/