@article{MM2_1998__95_3_156387,
     author = {J.W. Cogdell and I.I. Piatetski-Shapiro},
     title = {Stability of gamma factors for {SO} (2n + 1).},
     journal = {Manuscripta mathematica},
     pages = {437--462},
     publisher = {mathdoc},
     volume = {95},
     number = {3},
     year = {1998},
     zbl = {0959.22011},
     url = {http://geodesic.mathdoc.fr/item/MM2_1998__95_3_156387/}
}