@article{JLT_2016_26_1_JLT_2016_26_1_a0,
     author = {L. Manivel},
     title = {On the {Variety} of {Four} {Dimensional} {Lie} {Algebras}},
     journal = {Journal of Lie theory},
     pages = {1--1},
     year = {2016},
     volume = {26},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/JLT_2016_26_1_JLT_2016_26_1_a0/}
}