@article{1183529547,
author = {Beals, Richard},
title = {Global asymptotic estimates for elliptic spectral functions and eigenvalues},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 358-360},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529547}
}
Beals, Richard. Global asymptotic estimates for elliptic spectral functions and eigenvalues. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 358-360. http://gdmltest.u-ga.fr/item/1183529547/