%0 Journal Article %A Winfried Kohnen %T On Fourier coefficients of modular forms of different weights %J Acta Arithmetica %D 2004 %P 57-67 %V 113 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa113-1-5/ %R 10.4064/aa113-1-5 %G en %F 10_4064_aa113_1_5