%0 Journal Article %A Ch. K. Gupta %A N. S. Romanovskii %T The Word Problem for Polynilpotent Groups with a Single Primitive Defining Relation %J Algebra i logika %D 2006 %P 28-43 %V 45 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2006_45_1_a2/ %G ru %F AL_2006_45_1_a2