Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{IM_1977__41_142494, author = {David Wigner}, title = {Biinvariant {Operators} on {Nilpotent} {Lie} {Groups.}}, journal = {Inventiones mathematicae}, pages = {259--264}, publisher = {mathdoc}, volume = {41}, year = {1977}, zbl = {0373.58009}, url = {http://geodesic.mathdoc.fr/item/IM_1977__41_142494/} }
David Wigner. Biinvariant Operators on Nilpotent Lie Groups.. Inventiones mathematicae, Tome 41 (1977), pp. 259-264. http://geodesic.mathdoc.fr/item/IM_1977__41_142494/