@article{1103039469,
author = {Walker, Elbert A.},
title = {Subdirect sums and infinite Abelian groups.},
journal = {Pacific J. Math.},
volume = {9},
number = {4},
year = {1959},
pages = { 287-291},
language = {en},
url = {http://dml.mathdoc.fr/item/1103039469}
}
Walker, Elbert A. Subdirect sums and infinite Abelian groups.. Pacific J. Math., Tome 9 (1959) no. 4, pp. 287-291. http://gdmltest.u-ga.fr/item/1103039469/