1. Amenable semigroups;Day, Mahlon M.;Illinois J. Math.,1957
2. Extremely amenable semigroups. II;Granirer, E.;Math. Scand.,1967
3. Invariant means on locally compact groups;Granirer, E.;Illinois J. Math.,1971
4. The trace in finite operator algebras;Kadison, Richard V.;Proc. Amer. Math. Soc.,1961
5. Extremely amenable algebras;Lau, Anthony To-ming;Pacific J. Math.,1970