@article{IM_1994__117_1_144207, author = {P. Sarnak and P. Buser}, title = {On the period matrix of a {Riemann} surface of large genus (with an {Appendix} by {J.} {H.} {Conway} and {N.} {J.} {A.} {Sloane).}}, journal = {Inventiones mathematicae}, pages = {27--56}, publisher = {mathdoc}, volume = {117}, number = {1}, year = {1994}, zbl = {0814.14033}, url = {http://geodesic.mathdoc.fr/item/IM_1994__117_1_144207/} }