@article{1183529957,
author = {Beals, Richard},
title = {On eigenvalue distributions for elliptic operators without smooth coefficients. II},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 1022-1024},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529957}
}
Beals, Richard. On eigenvalue distributions for elliptic operators without smooth coefficients. II. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 1022-1024. http://gdmltest.u-ga.fr/item/1183529957/