@article{GDZPPN002403439, title = {A Property of the Lower Central Series of a Group.}, journal = {Mathematische Zeitschrift}, volume = {105}, year = {1968}, pages = {225-231}, zbl = {0167.02202}, url = {http://dml.mathdoc.fr/item/GDZPPN002403439} }
Robinson, Derek J.S. A Property of the Lower Central Series of a Group.. Mathematische Zeitschrift, Tome 105 (1968) pp. 225-231. http://gdmltest.u-ga.fr/item/GDZPPN002403439/