@article{1102805788,
author = {Cornelius, E. F.},
title = {Characterization of a class of torsion free groups in terms of endomorphisms.},
journal = {Pacific J. Math.},
volume = {79},
number = {2},
year = {1978},
pages = { 341-355},
language = {en},
url = {http://dml.mathdoc.fr/item/1102805788}
}
Cornelius, E. F. Characterization of a class of torsion free groups in terms of endomorphisms.. Pacific J. Math., Tome 79 (1978) no. 2, pp. 341-355. http://gdmltest.u-ga.fr/item/1102805788/