Szegö Kernels Associated with Discrete Series. A.W. Knapp; N.R. Wallach — 1976 Inventiones mathematicae
Correction and Addition to Szegö Kernels Associated with Discrete Series. A.W. Knapp; N.R. Wallach Inventiones mathematicae
Intertwining Operators for Semisimple Groups, II. A.W. Knapp; E.M Stein — 1980 Inventiones mathematicae