@article{10_4153_CJM_2005_040_0,
     author = {Ozawa, Narutaka and Rieffel, Marc A.},
     title = {Hyperbolic {Group} {C} {*-Algebras} and {Free-Product} {C} {*-Algebras} as {Compact} {Quantum} {Metric} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {1056--1079},
     year = {2005},
     volume = {57},
     number = {5},
     doi = {10.4153/CJM-2005-040-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-040-0/}
}