TY - JOUR AU - Fine, Benjamin TI - Trace Classes and Quadratic Forms in the Modular Group JO - Canadian mathematical bulletin PY - 1994 SP - 202 EP - 212 VL - 37 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-030-1/ DO - 10.4153/CMB-1994-030-1 ID - 10_4153_CMB_1994_030_1 ER -