@article{1103055647,
author = {Klein, Andreas},
title = {Exterior sets of hyperbolic quadrics},
journal = {Bull. Belg. Math. Soc. Simon Stevin},
volume = {7},
number = {4},
year = {2000},
pages = { 321-331},
language = {en},
url = {http://dml.mathdoc.fr/item/1103055647}
}
Klein, Andreas. Exterior sets of hyperbolic quadrics. Bull. Belg. Math. Soc. Simon Stevin, Tome 7 (2000) no. 4, pp. 321-331. http://gdmltest.u-ga.fr/item/1103055647/