TY - JOUR AU - Ch. K. Gupta AU - N. S. Romanovskii TI - The Word Problem for Polynilpotent Groups with a Single Primitive Defining Relation JO - Algebra i logika PY - 2006 SP - 28 EP - 43 VL - 45 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2006_45_1_a2/ LA - ru ID - AL_2006_45_1_a2 ER -