@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/