@article{05144611,
title = {Gromov hyperbolicity of certain conformal invariant metrics.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {32},
year = {2007},
pages = {279-288},
zbl = {1183.30048},
language = {en},
url = {http://dml.mathdoc.fr/item/05144611}
}
Lindén, Henri. Gromov hyperbolicity of certain conformal invariant metrics.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 32 (2007) pp. 279-288. http://gdmltest.u-ga.fr/item/05144611/