@article{02107566,
title = {A metric inequality for the Thompson and Hilbert geometries.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {5},
year = {2004},
zbl = {1061.53051},
language = {en},
url = {http://dml.mathdoc.fr/item/02107566}
}
Nussbaum, Roger D.; Walsh, Cormac. A metric inequality for the Thompson and Hilbert geometries.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 5 (2004) . http://gdmltest.u-ga.fr/item/02107566/