@article{1270134527,
author = {ARAMAKI, Junichi},
title = {On the Asymptotic Behaviors of the Spectrum of Quasi-Elliptic Pseudodifferential Operators on $\mathbf{R}^n$},
journal = {Tokyo J. of Math.},
volume = {10},
number = {2},
year = {1987},
pages = { 481-505},
language = {en},
url = {http://dml.mathdoc.fr/item/1270134527}
}
ARAMAKI, Junichi. On the Asymptotic Behaviors of the Spectrum of Quasi-Elliptic Pseudodifferential Operators on $\mathbf{R}^n$. Tokyo J. of Math., Tome 10 (1987) no. 2, pp. 481-505. http://gdmltest.u-ga.fr/item/1270134527/