@article{BUMI_2013_9_6_3_a4,
     author = {Nebbia, Claudio},
     title = {The {Groups} of {Isometries} of the {Homogeneous} {Tree} and {Non-Unimodularity}},
     journal = {Bollettino della Unione matematica italiana},
     pages = {565--577},
     publisher = {mathdoc},
     volume = {Ser. 9, 6},
     number = {3},
     year = {2013},
     zbl = {1154.22301},
     mrnumber = {3202840},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2013_9_6_3_a4/}
}