@article{urn:eudml:doc:42274,
title = {A characterization of Gromov hyperbolicity of surfaces with variable negative curvature.},
journal = {Publicacions Matem\`atiques},
volume = {53},
year = {2009},
pages = {83-110},
zbl = {1153.53320},
language = {en},
url = {http://dml.mathdoc.fr/item/urn:eudml:doc:42274}
}
Portilla, A.; Tourís, E. A characterization of Gromov hyperbolicity of surfaces with variable negative curvature.. Publicacions Matemàtiques, Tome 53 (2009) pp. 83-110. http://gdmltest.u-ga.fr/item/urn:eudml:doc:42274/