@article{10_4007_annals_2005_161_679,
     author = {Alex Eskin and Gregory Margulis and Shahar Mozes},
     title = {Quadratic forms of signature (2,2) and eigenvalue spacings on rectangular 2-tori},
     journal = {Annals of mathematics},
     pages = {679--725},
     publisher = {mathdoc},
     volume = {161},
     number = {2},
     year = {2005},
     doi = {10.4007/annals.2005.161.679},
     mrnumber = {2153398},
     zbl = {1075.11049},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2005.161.679/}
}