@article{05934327,
title = {An alternative proof of Hill's criterion of freeness for Abelian groups.},
journal = {Revista Colombiana de Matem\'aticas},
volume = {44},
year = {2010},
pages = {59-64},
zbl = {1221.20039},
language = {en},
url = {http://dml.mathdoc.fr/item/05934327}
}
Macías-Díaz, Jorge Eduardo. An alternative proof of Hill's criterion of freeness for Abelian groups.. Revista Colombiana de Matemáticas, Tome 44 (2010) pp. 59-64. http://gdmltest.u-ga.fr/item/05934327/