%0 Journal Article %A I.I. Piatetski-Shapiro %A J.W. Gogdell %T Unitarity and Functoriality. %J Geometric and functional analysis %D 1995 %P 164-173 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/GFA_1995__5_4_58188/ %F GFA_1995__5_4_58188