@article{GFA_1995__5_4_58188, author = {I.I. Piatetski-Shapiro and J.W. Gogdell}, title = {Unitarity and {Functoriality.}}, journal = {Geometric and functional analysis}, pages = {164--173}, publisher = {mathdoc}, volume = {5}, number = {4}, year = {1995}, zbl = {0842.11021}, url = {http://geodesic.mathdoc.fr/item/GFA_1995__5_4_58188/} }