@article{MAN_1985__272_164034,
     author = {R. A. Rankin},
     title = {Sums of {Powers} of {Cusp} {Form} {Coefficients.} {II.}},
     journal = {Mathematische Annalen},
     pages = {593--600},
     publisher = {mathdoc},
     volume = {272},
     year = {1985},
     zbl = {0556.10018},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__272_164034/}
}