@article{JOLT_2008_18_2_a4,
     author = {J. M. Cabezas and L. M. Camacho and I. M. Rodr{\'\i}guez},
     title = {On {Filiform} and {2-Filiform} {Leibniz} {Algebras} of {Maximum} {Length}},
     journal = {Journal of Lie Theory},
     pages = {335--350},
     year = {2008},
     volume = {18},
     number = {2},
     zbl = {1160.17002},
     url = {http://geodesic.mathdoc.fr/item/JOLT_2008_18_2_a4/}
}