@article{CM_1993__86_3_245_0,
     author = {Goldberg, David},
     title = {Reducibility of generalized principal series representations of $U(2, 2)$ via base change},
     journal = {Compositio Mathematica},
     pages = {245--264},
     publisher = {Kluwer Academic Publishers},
     volume = {86},
     number = {3},
     year = {1993},
     mrnumber = {1219627},
     zbl = {0788.22021},
     language = {en},
     url = {http://archive.numdam.org/item/CM_1993__86_3_245_0/}
}