%0 Journal Article %A Goldberg, David %T Reducibility of generalized principal series representations of $U(2, 2)$ via base change %J Compositio Mathematica %D 1993 %P 245-264 %V 86 %N 3 %I Kluwer Academic Publishers %U http://www.numdam.org/item/CM_1993__86_3_245_0/ %G en %F CM_1993__86_3_245_0