1. Modular Forms and the Ramanujan Conjecture;Conrad,2008
2. La conjecture de Weil. I;Deligne;Inst. Hautes Études Sci. Publ. Math.,1974
3. When is the product of two Hecke eigenforms an eigenform?;Duke,1999
4. Products of an arbitrary number of Hecke eigenforms;Emmons;Acta Arith.,2007
5. On monomial relations between Eisenstein series;Ghate;J. Ramanujan Math. Soc.,2000