TY - JOUR AU - Alex Eskin AU - Gregory Margulis AU - Shahar Mozes TI - Quadratic forms of signature (2,2) and eigenvalue spacings on rectangular 2-tori JO - Annals of mathematics PY - 2005 SP - 679 EP - 725 VL - 161 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4007/annals.2005.161.679/ DO - 10.4007/annals.2005.161.679 LA - en ID - 10_4007_annals_2005_161_679 ER -