@article{CMUC_2014__55_3_a4,
     author = {Benito, Pilar and de-la-Concepci\'on, Daniel},
     title = {An overview of free nilpotent {Lie} algebras},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {325--339},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {2014},
     mrnumber = {3225613},
     zbl = {06391546},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2014__55_3_a4/}
}