%0 Journal Article %A R.W. Bruggeman %T Fourier Coefficients of Cusp Forms. %J Inventiones mathematicae %D 1978 %P 1-18 %V 45 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1978__45_142533/ %F IM_1978__45_142533