@article{GDZPPN002349663,
title = {Congruence Properties and Density Problems for the Fourier Coefficients of Modular Forms.},
journal = {Mathematica Scandinavica},
volume = {22},
year = {1968},
pages = {160-166},
zbl = {0184.07401},
url = {http://dml.mathdoc.fr/item/GDZPPN002349663}
}
Hjelle, T.; Klove, T. Congruence Properties and Density Problems for the Fourier Coefficients of Modular Forms.. Mathematica Scandinavica, Tome 22 (1968) pp. 160-166. http://gdmltest.u-ga.fr/item/GDZPPN002349663/