%0 Journal Article %A V. Yu. Popov %T Undecidability of the word problem in relatively free rings %J Matematičeskie zametki %D 2000 %P 582-594 %V 67 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2000_67_4_a11/ %G ru %F MZM_2000_67_4_a11