TY - JOUR AU - Benkart, Georgia TI - Derivations and Invariant Forms of Lie Algebras Graded by Finite Root Systems JO - Canadian journal of mathematics PY - 1998 SP - 225 EP - 241 VL - 50 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1998-012-3/ DO - 10.4153/CJM-1998-012-3 ID - 10_4153_CJM_1998_012_3 ER -