%0 Journal Article
%A V. S. Guba
%T On the relationship between the problems of equality and divisibility of words for semigroups with a~single defining relation
%J Izvestiya. Mathematics 
%D 1997
%P 1137-1169
%V 61
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1997_61_6_a1/
%G en
%F IM2_1997_61_6_a1