@article{106240,
author = {John D. O'Neill},
title = {On summands of direct products of Abelian groups},
journal = {Commentationes Mathematicae Universitatis Carolinae},
volume = {024},
year = {1983},
pages = {407-413},
zbl = {0538.20025},
mrnumber = {730136},
language = {en},
url = {http://dml.mathdoc.fr/item/106240}
}
O'Neill, John D. On summands of direct products of Abelian groups. Commentationes Mathematicae Universitatis Carolinae, Tome 024 (1983) pp. 407-413. http://gdmltest.u-ga.fr/item/106240/
A note on rank and direct decompositions of torsion-free abelian groups, Proc. Cambridge Philos. Soc. I in 57 (1961), 230-233, and II in 66 (1969), 239-240. (1961) | Zbl 0100.02903
Infinite Abelian Groups, Academic Press, N. Y., Vol. I (1970), Vol. II (1973). (1970) | Zbl 0209.05503