@article{1258138155,
author = {Alencar, Hil\'ario and do Carmo, Manfredo and Marques, Fernando},
title = {Upper bounds for the first eigenvalue of the operator $L\sb r$ and some applications},
journal = {Illinois J. Math.},
volume = {45},
number = {4},
year = {2001},
pages = { 851-863},
language = {en},
url = {http://dml.mathdoc.fr/item/1258138155}
}
Alencar, Hilário; do Carmo, Manfredo; Marques, Fernando. Upper bounds for the first eigenvalue of the operator $L\sb r$ and some applications. Illinois J. Math., Tome 45 (2001) no. 4, pp. 851-863. http://gdmltest.u-ga.fr/item/1258138155/