@article{GDZPPN002400936,
title = {Properties of Groups Related to the Second Center.},
journal = {Mathematische Zeitschrift},
volume = {99},
year = {1967},
pages = {356-368},
zbl = {0149.27204},
url = {http://dml.mathdoc.fr/item/GDZPPN002400936}
}
Kappe, Wolfgang P. Properties of Groups Related to the Second Center.. Mathematische Zeitschrift, Tome 99 (1967) pp. 356-368. http://gdmltest.u-ga.fr/item/GDZPPN002400936/