@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/