@article{10_4171_dm_859,
     author = {Aloys Krieg and Martin Raum and Annalena Wernz},
     title = {The maximal discrete extension of the {Hermitian} modular group},
     journal = {Documenta mathematica},
     pages = {1871--1888},
     year = {2021},
     volume = {26},
     doi = {10.4171/dm/859},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/859/}
}