@article{JLT_2016_26_4_JLT_2016_26_4_a2,
     author = {N. Kato},
     title = {Filiform {Lie} {Algebras} {Without} {Rational} {Structures}},
     journal = {Journal of Lie theory},
     pages = {991--1},
     year = {2016},
     volume = {26},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JLT_2016_26_4_JLT_2016_26_4_a2/}
}