@article{GDZPPN00248482X, title = {Non Uniqueness of Invariant Means for Amenable Group Actions.}, journal = {Monatshefte f\"ur Mathematik}, volume = {99}, year = {1985}, pages = {121-126}, zbl = {0571.43002}, url = {http://dml.mathdoc.fr/item/GDZPPN00248482X} }
Krasa, Stefan. Non Uniqueness of Invariant Means for Amenable Group Actions.. Monatshefte für Mathematik, Tome 99 (1985) pp. 121-126. http://gdmltest.u-ga.fr/item/GDZPPN00248482X/