%0 Journal Article
%A G. S. Makanin
%T The problem of solvability of equations in a free semigroup
%J Sbornik. Mathematics
%D 1977
%P 129-198
%V 32
%N 2
%U http://geodesic.mathdoc.fr/item/SM_1977_32_2_a0/
%G en
%F SM_1977_32_2_a0