%0 Journal Article %A O. Kolberg %T Congruences for the Coefficients of the Modular Invariant j(...). %J Mathematica Scandinavica %D 1962 %P 173-181 %V 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1962__10_165801/ %F MS2_1962__10_165801