@article{10_1017_S0017089500008107,
     author = {Ellis, Graham J.},
     title = {A non-abelian tensor product of {Lie} algebras},
     journal = {Glasgow mathematical journal},
     pages = {101--120},
     year = {1991},
     volume = {33},
     number = {1},
     doi = {10.1017/S0017089500008107},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500008107/}
}