@article{GDZPPN00238731X,
title = {On a generalization of finite nilpotent groups.},
journal = {Mathematische Zeitschrift},
volume = {67},
year = {1957},
pages = {189-204},
zbl = {0079.25501},
url = {http://dml.mathdoc.fr/item/GDZPPN00238731X}
}
Sah, Chih-Han. On a generalization of finite nilpotent groups.. Mathematische Zeitschrift, Tome 67 (1957) pp. 189-204. http://gdmltest.u-ga.fr/item/GDZPPN00238731X/