@article{1077476004, author = {Everett, C. J. and Ryser, H. J.}, title = {Rational vector spaces. II}, journal = {Duke Math. J.}, volume = {17}, number = {1}, year = {1950}, pages = { 135-145}, language = {en}, url = {http://dml.mathdoc.fr/item/1077476004} }
Everett, C. J.; Ryser, H. J. Rational vector spaces. II. Duke Math. J., Tome 17 (1950) no. 1, pp. 135-145. http://gdmltest.u-ga.fr/item/1077476004/