@article{JOLT_2021_31_3_a8,
     author = {M. Boucetta and O. Tibssirte},
     title = {Classification of {Einstein} {Lorentzian} {3-Nilpotent} {Lie} {Groups} with {1-Dimensional} {Nondegenerate} {Center}},
     journal = {Journal of Lie Theory},
     pages = {811--832},
     year = {2021},
     volume = {31},
     number = {3},
     doi = {10.5802/jolt.1196},
     zbl = {1482.53067},
     url = {https://jolt.centre-mersenne.org/articles/10.5802/jolt.1196/}
}