@article{ASENS_1992_4_25_5_515_0,
     author = {Pesce, Hubert},
     title = {D\'eformations isospectrales sur certaines nilvari\'et\'es et finitude spectrale des vari\'et\'es de {Heisenberg}},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {515--538},
     publisher = {Elsevier},
     volume = {4e s{\'e}rie, 25},
     number = {5},
     year = {1992},
     doi = {10.24033/asens.1657},
     mrnumber = {94c:58214},
     zbl = {0777.58008},
     language = {fr},
     url = {http://archive.numdam.org/articles/10.24033/asens.1657/}
}