@article{1183524560,
author = {baumslag, Gilbert},
title = {A non-Hopfian group},
journal = {Bull. Amer. Math. Soc.},
volume = {68},
number = {6},
year = {1962},
pages = { 196-198},
language = {en},
url = {http://dml.mathdoc.fr/item/1183524560}
}
baumslag, Gilbert. A non-Hopfian group. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 196-198. http://gdmltest.u-ga.fr/item/1183524560/