@article{1250181473,
author = {Fitzgerald, R.W.},
title = {Ideal class groups of Witt rings},
journal = {Rocky Mountain J. Math.},
volume = {19},
number = {4},
year = {1989},
pages = { 683-686},
language = {en},
url = {http://dml.mathdoc.fr/item/1250181473}
}
Fitzgerald, R.W. Ideal class groups of Witt rings. Rocky Mountain J. Math., Tome 19 (1989) no. 4, pp. 683-686. http://gdmltest.u-ga.fr/item/1250181473/