@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/