@article{1250129104,
author = {Hahn, Peter},
title = {The $\sigma$ -representations of amenable groupoids},
journal = {Rocky Mountain J. Math.},
volume = {9},
number = {4},
year = {1979},
pages = { 631-640},
language = {en},
url = {http://dml.mathdoc.fr/item/1250129104}
}
Hahn, Peter. The σ -representations of amenable groupoids. Rocky Mountain J. Math., Tome 9 (1979) no. 4, pp. 631-640. http://gdmltest.u-ga.fr/item/1250129104/