@article{10_5817_AM2012_2_107,
     author = {Aghdam, A. M. and Karimi, F. and Najafizadeh, A.},
     title = {On the subgroups of completely decomposable torsion-free groups that are ideals in every ring},
     journal = {Archivum mathematicum},
     pages = {107--112},
     publisher = {mathdoc},
     volume = {48},
     number = {2},
     year = {2012},
     doi = {10.5817/AM2012-2-107},
     mrnumber = {2946210},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5817/AM2012-2-107/}
}