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A local large sieve inequality for cusp forms Jonathan Wing Chung Lam (2014) Journal de Théorie des Nombres de Bordeaux We prove a large sieve type inequality for Maass forms and holomorphic cusp forms with level greater or equal to one and of integral or half-integral weight in short interval.
A spectral proof of Rademacher's conjecture for congruence subgroups of the modular group. P. Zograf (1991) Journal für die reine und angewandte Mathematik
Automorphic forms, hyperfunction cohomology, and period functions. Roelof W. Bruggeman (1997) Journal für die reine und angewandte Mathematik