TY - JOUR AU - S. V. Pchelintsev TI - Nilpotency of the associators in a free $(-1,\,1)$-ring JO - Algebra i logika PY - 1974 SP - 217 EP - 223 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1974_13_2_a6/ LA - ru ID - AL_1974_13_2_a6 ER -