@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/