@article{10_1090_S0894_0347_1991_1086965_9,
     author = {Deligne, P.},
     title = {Groupe de {Heisenberg} et r\'ealit\'e},
     journal = {Journal of the American Mathematical Society},
     pages = {197--206},
     year = {1991},
     volume = {04},
     number = {1},
     doi = {10.1090/S0894-0347-1991-1086965-9},
     url = {http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1991-1086965-9/}
}