TY - JOUR AU - Corrado Marastoni TI - Generalized Verma modules, b-functions of semi-invariants and duality for twisted $ \mathcal{D}$-modules on generalized flag manifolds JO - Comptes Rendus. Mathématique PY - 2002 SP - 111 EP - 116 VL - 335 IS - 2 PB - Elsevier DO - 10.1016/S1631-073X(02)02449-4 LA - en ID - CRMATH_2002__335_2_111_0 ER -