@article{JOLT_2016_26_1_a0,
     author = {L. Manivel},
     title = {On the {Variety} of {Four} {Dimensional} {Lie} {Algebras}},
     journal = {Journal of Lie Theory},
     pages = {1--10},
     year = {2016},
     volume = {26},
     number = {1},
     doi = {10.5802/jolt.878},
     zbl = {1362.14004},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.878/}
}