@article{GDZPPN002068818,
title = {Density of states in spectral geometry.},
journal = {Commentarii mathematici Helvetici},
volume = {68},
year = {1993},
pages = {480-493},
zbl = {0787.58042},
url = {http://dml.mathdoc.fr/item/GDZPPN002068818}
}
Adachi, T.; Sunada, T. Density of states in spectral geometry.. Commentarii mathematici Helvetici, Tome 68 (1993) pp. 480-493. http://gdmltest.u-ga.fr/item/GDZPPN002068818/