@article{GDZPPN002480891,
title = {On the Commutator Subgroup of a Nonconnected Central Group.},
journal = {Monatshefte f\"ur Mathematik},
volume = {85},
year = {1978},
pages = {49-52},
zbl = {0374.22001},
url = {http://dml.mathdoc.fr/item/GDZPPN002480891}
}
Herfort, Wolfgang. On the Commutator Subgroup of a Nonconnected Central Group.. Monatshefte für Mathematik, Tome 85 (1978) pp. 49-52. http://gdmltest.u-ga.fr/item/GDZPPN002480891/