TY - JOUR AU - T. Hjelle AU - T. Klove TI - Congruence Properties and Density Problems for the Fourier Coefficients of Modular Forms. JO - Mathematica Scandinavica PY - 1968 SP - 160 EP - 166 VL - 23 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MS2_1968__23_166065/ ID - MS2_1968__23_166065 ER -