TY - JOUR AU - A. A. Kirillov AU - I. M. Pak TI - Covariants of the symmetric group and its analogs in Weyl algebras JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1990 SP - 9 EP - 13 VL - 24 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1990_24_3_a1/ LA - ru ID - FAA_1990_24_3_a1 ER -