@article{1077492064,
author = {Shiffman, Max},
title = {The ring of automorphisms of an Abelian group},
journal = {Duke Math. J.},
volume = {6},
number = {1},
year = {1940},
pages = { 579-597},
language = {en},
url = {http://dml.mathdoc.fr/item/1077492064}
}
Shiffman, Max. The ring of automorphisms of an Abelian group. Duke Math. J., Tome 6 (1940) no. 1, pp. 579-597. http://gdmltest.u-ga.fr/item/1077492064/