@article{1029003079,
author = {Donnelly, Harold},
title = {Eigenvalue estimates for certain noncompact manifolds.},
journal = {Michigan Math. J.},
volume = {31},
number = {1},
year = {1984},
pages = { 349-357},
language = {en},
url = {http://dml.mathdoc.fr/item/1029003079}
}
Donnelly, Harold. Eigenvalue estimates for certain noncompact manifolds.. Michigan Math. J., Tome 31 (1984) no. 1, pp. 349-357. http://gdmltest.u-ga.fr/item/1029003079/