@article{1256053748,
author = {Fried, Michael D. and MacRae, R. E.},
title = {On the invariance of chains of fields},
journal = {Illinois J. Math.},
volume = {13},
number = {4},
year = {1969},
pages = { 165-171},
language = {en},
url = {http://dml.mathdoc.fr/item/1256053748}
}
Fried, Michael D.; MacRae, R. E. On the invariance of chains of fields. Illinois J. Math., Tome 13 (1969) no. 4, pp. 165-171. http://gdmltest.u-ga.fr/item/1256053748/