@article{MAN_1985__273_164064,
     author = {Jean Ludwig},
     title = {On the {Hilbert-Schmidt} {Semi-Norms} of {L1} of a {Nilpotent} {Lie} {Group.}},
     journal = {Mathematische Annalen},
     pages = {383--396},
     publisher = {mathdoc},
     volume = {273},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MAN_1985__273_164064/}
}