@article{GDZPPN00232346X, title = {Sums of Powers of Cusp Form Coefficients.}, journal = {Mathematische Annalen}, volume = {264}, year = {1983}, pages = {227-236}, zbl = {0492.10020}, url = {http://dml.mathdoc.fr/item/GDZPPN00232346X} }
Rankin, R.A. Sums of Powers of Cusp Form Coefficients.. Mathematische Annalen, Tome 264 (1983) pp. 227-236. http://gdmltest.u-ga.fr/item/GDZPPN00232346X/