%0 Journal Article %A Mitra, Arnab %A Sayag, Eitan %T Models of Representations and Langlands Functoriality %J Canadian journal of mathematics %D 2020 %P 676-707 %V 72 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/S0008414X19000014/ %R 10.4153/S0008414X19000014 %F 10_4153_S0008414X19000014