@article{GDZPPN002401401,
title = {Some Characterizations of Nilpotent Lie Algebras.},
journal = {Mathematische Zeitschrift},
volume = {105},
year = {1968},
pages = {40-42},
zbl = {0178.03603},
url = {http://dml.mathdoc.fr/item/GDZPPN002401401}
}
Chao, Chong-Yun. Some Characterizations of Nilpotent Lie Algebras.. Mathematische Zeitschrift, Tome 105 (1968) pp. 40-42. http://gdmltest.u-ga.fr/item/GDZPPN002401401/