Barnes' identities and representations of GL (2). II. Nonarchimedian local field case. Wen-Ch'ing Winnie Li (1983) Journal für die reine und angewandte Mathematik
Bounding hyperbolic and spherical coefficients of Maass forms Valentin Blomer, Farrell Brumley, Alex Kontorovich, Nicolas Templier (2014) Journal de Théorie des Nombres de Bordeaux We develop a new method to bound the hyperbolic and spherical Fourier coefficients of Maass forms defined with respect to arbitrary uniform lattices.
Branching laws for some unitary representations of SL ( 4 , ℂ ) . Ørsted, Bent, Speh, Birgit (2008) SIGMA. Symmetry, Integrability and Geometry: Methods and Applications [electronic only]