D-elliptic sheaves and the Langlands correspondence. M. Rapoport, U. Stuhler, G. Laumon (1993) Inventiones mathematicae
Distinguished representations and a Fourier summation formula Yuval Z. Flicker (1992) Bulletin de la Société Mathématique de France
Divisor of the Selberg zeta function for kleinian groups Peter A. Perry (1994) Journées équations aux dérivées partielles
Dynamics of the continued fraction map and the spectral theory of SL (2, Z). Isaac Efrat (1993) Inventiones mathematicae