TY - JOUR AU - Gannon, Terry TI - The Level 2 and 3 Modular Invariants for the Orthogonal Algebras JO - Canadian journal of mathematics PY - 2000 SP - 503 EP - 521 VL - 52 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-2000-023-2/ DO - 10.4153/CJM-2000-023-2 ID - 10_4153_CJM_2000_023_2 ER -