@article{10_4171_dm_381,
     author = {A. D'Andrea and G. Marchei},
     title = {A root space decomposition for finite vertex algebras},
     journal = {Documenta mathematica},
     pages = {783--805},
     year = {2012},
     volume = {17},
     doi = {10.4171/dm/381},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/381/}
}