@article{1077474680, author = {Szekeres, G.}, title = {Countable Abelian groups without torsion}, journal = {Duke Math. J.}, volume = {15}, number = {1}, year = {1948}, pages = { 293-306}, language = {en}, url = {http://dml.mathdoc.fr/item/1077474680} }
Szekeres, G. Countable Abelian groups without torsion. Duke Math. J., Tome 15 (1948) no. 1, pp. 293-306. http://gdmltest.u-ga.fr/item/1077474680/