Finitely Presented Groups and Completely Regular Semigroups
Journal of Pure and Applied Algebra
It will be shown that every finitely presented group is the greatest group homomorphic image of a finitely presented completely regular semigroup which has a solvable word problem and whose maximal subgroups are either free froups or one-relator groups.
Ajan, Komanamana S. and Pastijn, Francis, "Finitely Presented Groups and Completely Regular Semigroups" (1996). Mathematics, Statistics and Computer Science Faculty Research and Publications. 598.