@article{GDZPPN002327295, title = {Sums of Powers of Cusp Form Coefficients. II.}, journal = {Mathematische Annalen}, volume = {270}, year = {1985}, pages = {593-600}, zbl = {0556.10018}, url = {http://dml.mathdoc.fr/item/GDZPPN002327295} }
Rankin, R. A. Sums of Powers of Cusp Form Coefficients. II.. Mathematische Annalen, Tome 270 (1985) pp. 593-600. http://gdmltest.u-ga.fr/item/GDZPPN002327295/