TY - JOUR AU - A. A. Premet TI - The theorem on restriction of invariants, and nilpotent elements in~$W_n$ JO - Sbornik. Mathematics PY - 1992 SP - 135 EP - 159 VL - 73 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1992_73_1_a7/ LA - en ID - SM_1992_73_1_a7 ER -