@article{2783,
author = {Abramson, Morton and Moser, W.O.J.},
title = {Linear and ring arrangements},
journal = {Portugaliae mathematica},
volume = {35},
year = {1976},
pages = {17-34},
zbl = {0385.05010},
mrnumber = {0505529},
language = {en},
url = {http://dml.mathdoc.fr/item/2783}
}
Abramson, Morton; Moser, W.O.J. Linear and ring arrangements. Portugaliae mathematica, Tome 35 (1976) pp. 17-34. http://gdmltest.u-ga.fr/item/2783/