%0 Journal Article %A F. Hirzebruch %T Hilbert's modular group of the field $\mathbf Q(\sqrt{5})$ and the cubic diagonal surface of Clebsch and Klein %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1976 %P 96-110 %V 31 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1976_31_5_a8/ %G en %F RM_1976_31_5_a8