%0 Journal Article %A P. Sarnak %A P. Buser %T On the period matrix of a Riemann surface of large genus (with an Appendix by J. H. Conway and N. J. A. Sloane). %J Inventiones mathematicae %D 1994 %P 27-56 %V 117 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1994__117_1_144207/ %F IM_1994__117_1_144207