@article{05028521,
title = {Schwarz-Pick-type estimates for the hyperbolic derivative.},
journal = {Journal of Inequalities and Applications [electronic only]},
volume = {2006},
year = {2006},
doi = {10.1155/JIA/2006/96368},
zbl = {1097.30017},
language = {en},
url = {http://dml.mathdoc.fr/item/05028521}
}
Mercer, Peter R. Schwarz-Pick-type estimates for the hyperbolic derivative.. Journal of Inequalities and Applications [electronic only], Tome 2006 (2006) . doi : 10.1155/JIA/2006/96368. http://gdmltest.u-ga.fr/item/05028521/