TY - JOUR AU - S. Z. Levendorskii AU - Ya. S. Soibel'man TI - Quantum Weyl group and multiplicative formula for the $R$-matrix of a simple Lie algebra JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1991 SP - 73 EP - 76 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1991_25_2_a12/ LA - ru ID - FAA_1991_25_2_a12 ER -