@article{05304385,
title = {Horoballs in simplices and Minkowski spaces.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2006},
year = {2006},
doi = {10.1155/IJMMS/2006/23656},
zbl = {1144.52016},
language = {en},
url = {http://dml.mathdoc.fr/item/05304385}
}
Karlsson, A.; Metz, V.; Noskov, G.A. Horoballs in simplices and Minkowski spaces.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/23656. http://gdmltest.u-ga.fr/item/05304385/