@article{1077476235,
author = {Bell, P. O.},
title = {A theorem of Cartan},
journal = {Duke Math. J.},
volume = {17},
number = {1},
year = {1950},
pages = { 453-455},
language = {en},
url = {http://dml.mathdoc.fr/item/1077476235}
}
Bell, P. O. A theorem of Cartan. Duke Math. J., Tome 17 (1950) no. 1, pp. 453-455. http://gdmltest.u-ga.fr/item/1077476235/