TY - JOUR AU - D. P. Zhelobenko TI - Extremal projectors and generalized Mickelsson algebras over reductive Lie algebras JO - Izvestiya. Mathematics PY - 1989 SP - 85 EP - 100 VL - 33 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1989_33_1_a3/ LA - en ID - IM2_1989_33_1_a3 ER -