@article{1256052282, author = {Keller, Gordon}, title = {Amenable groups and varieties of groups}, journal = {Illinois J. Math.}, volume = {16}, number = {1}, year = {1972}, pages = { 257-269}, language = {en}, url = {http://dml.mathdoc.fr/item/1256052282} }
Keller, Gordon. Amenable groups and varieties of groups. Illinois J. Math., Tome 16 (1972) no. 1, pp. 257-269. http://gdmltest.u-ga.fr/item/1256052282/