@article{00902736,
title = {Teichm\"uller space is not Gromov hyperbolic.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {20},
year = {1995},
pages = {259-267},
zbl = {0878.32015},
language = {en},
url = {http://dml.mathdoc.fr/item/00902736}
}
Masur, Howard A.; Wolf, Michael. Teichmüller space is not Gromov hyperbolic.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 20 (1995) pp. 259-267. http://gdmltest.u-ga.fr/item/00902736/