@article{1077474143,
author = {Bernstein, B. A.},
title = {Weak definitions of field},
journal = {Duke Math. J.},
volume = {14},
number = {1},
year = {1947},
pages = { 475-482},
language = {en},
url = {http://dml.mathdoc.fr/item/1077474143}
}
Bernstein, B. A. Weak definitions of field. Duke Math. J., Tome 14 (1947) no. 1, pp. 475-482. http://gdmltest.u-ga.fr/item/1077474143/