%0 Journal Article
%A V. V. Borisov
%T Simple examples of groups with unsolvable word problem
%J Matematičeskie zametki
%D 1969
%P 521-532
%V 6
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1969_6_5_a1/
%G ru
%F MZM_1969_6_5_a1