@article{10_4171_ggd_229,
     author = {Heleno Cunha and Nikolay Gusevskii},
     title = {A note on trace fields of complex hyperbolic groups},
     journal = {Groups, geometry, and dynamics},
     pages = {355--374},
     year = {2014},
     volume = {8},
     number = {2},
     doi = {10.4171/ggd/229},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/229/}
}