@article{10_4171_ggd_305,
     author = {Meera G. Mainkar},
     title = {Graphs and two-step nilpotent {Lie} algebras},
     journal = {Groups, geometry, and dynamics},
     pages = {55--65},
     year = {2015},
     volume = {9},
     number = {1},
     doi = {10.4171/ggd/305},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ggd/305/}
}