@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/