%0 Journal Article %A P. S. Novikov %T On the algorithmic unsolvability of the word problem in group theory %J Informatics and Automation %D 1955 %P 3-143 %V 44 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1955_44_a0/ %G ru %F TRSPY_1955_44_a0