Matthias Jantzen.
On a special monoid with a single definig relation.
Research in computer science, Dept. of Mathematics, Univ. of
California at Santa Barbara, USA, January 1980.
@techreport{Jantzen80c, Author = {Jantzen, Matthias}, Institution = {Dept. of Mathematics, Univ. of California at Santa Barbara, USA}, Month = jan, Pages = 22, Publisher = {UCSB}, Title = {On a special monoid with a single definig relation}, Type = {Research in Computer Science}, Year = 1980 }