TY - JOUR AU - C. Righi AU - R. W. T. Yu TI - On the Index of the Quotient of a Borel Subalgebra by an ad-Nilpotent Ideal JO - Journal of Lie theory PY - 2010 SP - 49 EP - 63 VL - 20 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_2010_20_1_JLT_2010_20_1_a4/ ID - JLT_2010_20_1_JLT_2010_20_1_a4 ER -