@article{GDZPPN002107937,
title = {Chamber systems, geometries and parabolic systems whose diagram contains only bonds of strength 1 and 2.},
journal = {Inventiones mathematicae},
volume = {100},
year = {1990},
pages = {209-234},
zbl = {0709.51015},
url = {http://dml.mathdoc.fr/item/GDZPPN002107937}
}
Stroth, G. Chamber systems, geometries and parabolic systems whose diagram contains only bonds of strength 1 and 2.. Inventiones mathematicae, Tome 100 (1990) pp. 209-234. http://gdmltest.u-ga.fr/item/GDZPPN002107937/