@article{GDZPPN002110563,
title = {The inaudible geometry of nilmanifolds.},
journal = {Inventiones mathematicae},
volume = {114},
year = {1993},
pages = {271-284},
zbl = {0779.53026},
url = {http://dml.mathdoc.fr/item/GDZPPN002110563}
}
Gordon, Carolyn; DeTurck, D.; Gluck, H. The inaudible geometry of nilmanifolds.. Inventiones mathematicae, Tome 114 (1993) pp. 271-284. http://gdmltest.u-ga.fr/item/GDZPPN002110563/