Zero density estimates of L-functions associated with cusp forms Yuichi Kamiya (1998) Acta Arithmetica
Zero-density estimate for modular form L-functions in weight aspect Bob Hough (2012) Acta Arithmetica
Zero-density estimate of L-functions attached to Maass forms A. Sankaranarayanan, J. Sengupta (2007) Acta Arithmetica
Zeta functions and Eisenstein series on metaplectic groups. Goro Shimura (1995) Inventiones mathematicae