@article{AFST_2014_6_23_5_1103_0, author = {Alan W. Reid}, title = {Traces, lengths, axes and commensurability}, journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques}, pages = {1103--1118}, publisher = {Universit\'e Paul Sabatier, Toulouse}, volume = {Ser. 6, 23}, number = {5}, year = {2014}, doi = {10.5802/afst.1438}, mrnumber = {3294604}, language = {en}, url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1438/} }