@article{FORUM_1996__8_3_141761,
     author = {Hanna Sandler},
     title = {Distance formulas in complex hyperbolic space.},
     journal = {Forum mathematicum},
     pages = {93--106},
     year = {1996},
     volume = {8},
     number = {3},
     zbl = {0843.51021},
     url = {http://geodesic.mathdoc.fr/item/FORUM_1996__8_3_141761/}
}