@article{SEDP_1992-1993____A22_0,
     author = {Levy-Bruhl, P. and Nourrigat, J.},
     title = {{\guillemotleft} {Wave} packets {\guillemotright} sur les groupes nilpotents},
     journal = {S\'eminaire \'Equations aux d\'eriv\'ees partielles (Polytechnique) dit aussi "S\'eminaire Goulaouic-Schwartz"},
     note = {talk:22},
     pages = {1--11},
     publisher = {Ecole Polytechnique, Centre de Math\'ematiques},
     year = {1992-1993},
     mrnumber = {1240563},
     zbl = {0871.43004},
     language = {fr},
     url = {http://www.numdam.org/item/SEDP_1992-1993____A22_0/}
}