@article{1183524855,
author = {Crawley, Peter},
title = {An infinite primary abelian group without proper isomorphic subgroups},
journal = {Bull. Amer. Math. Soc.},
volume = {68},
number = {6},
year = {1962},
pages = { 463-467},
language = {en},
url = {http://dml.mathdoc.fr/item/1183524855}
}
Crawley, Peter. An infinite primary abelian group without proper isomorphic subgroups. Bull. Amer. Math. Soc., Tome 68 (1962) no. 6, pp. 463-467. http://gdmltest.u-ga.fr/item/1183524855/