@article{1077469445, author = {Chu, Hsin}, title = {A characterization of integer groups and real groups}, journal = {Duke Math. J.}, volume = {28}, number = {1}, year = {1961}, pages = { 125-132}, language = {en}, url = {http://dml.mathdoc.fr/item/1077469445} }
Chu, Hsin. A characterization of integer groups and real groups. Duke Math. J., Tome 28 (1961) no. 1, pp. 125-132. http://gdmltest.u-ga.fr/item/1077469445/