@article{CRMATH_2002__335_2_111_0, author = {Marastoni, Corrado}, title = {Generalized {Verma} modules, \protect\emph{b}-functions of semi-invariants and duality for twisted $ \mathcal{D}$-modules on generalized flag manifolds}, journal = {Comptes Rendus. Math\'ematique}, pages = {111--116}, publisher = {Elsevier}, volume = {335}, number = {2}, year = {2002}, doi = {10.1016/S1631-073X(02)02449-4}, language = {en}, url = {http://archive.numdam.org/articles/10.1016/S1631-073X(02)02449-4/} }