@article{GDZPPN00235652X, title = {Characterisations of extremly amenable semigroups.}, journal = {Mathematica Scandinavica}, volume = {48}, year = {1981}, pages = {101-108}, zbl = {0477.43002}, url = {http://dml.mathdoc.fr/item/GDZPPN00235652X} }
Wong, James C.S. Characterisations of extremly amenable semigroups.. Mathematica Scandinavica, Tome 48 (1981) pp. 101-108. http://gdmltest.u-ga.fr/item/GDZPPN00235652X/