@article{10_4153_CJM_2017_011_6, author = {Matringe, Nadir and Offen, Omer}, title = {Gamma {Factors,} {Root} {Numbers,} and {Distinction}}, journal = {Canadian journal of mathematics}, pages = {683--701}, year = {2018}, volume = {70}, number = {3}, doi = {10.4153/CJM-2017-011-6}, url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2017-011-6/} }