TY - JOUR AU - Kevin Coulembier AU - Volodymyr Mazorchuk TI - Extension Fullness of the Categories of Gelfand–Zeitlin and Whittaker Modules JO - Symmetry, integrability and geometry: methods and applications PY - 2015 VL - 11 UR - http://geodesic.mathdoc.fr/item/SIGMA_2015_11_a15/ LA - en ID - SIGMA_2015_11_a15 ER -