@article{MZ_1985__189_173592,
     author = {H. Wu and Ian Graham},
     title = {Characterizations of the {Unit} {Ball} {Bn} in {Complex} {Euclidean} {Space.}},
     journal = {Mathematische Zeitschrift},
     pages = {449--456},
     publisher = {mathdoc},
     volume = {189},
     year = {1985},
     zbl = {0547.32013},
     url = {http://geodesic.mathdoc.fr/item/MZ_1985__189_173592/}
}