@article{1181072213,
author = {Wilson, J. Michael},
title = {Eigenvalue Estimates for Degenerate Partial Differential Operators},
journal = {Rocky Mountain J. Math.},
volume = {25},
number = {4},
year = {1995},
pages = { 1171-1187},
language = {en},
url = {http://dml.mathdoc.fr/item/1181072213}
}
Wilson, J. Michael. Eigenvalue Estimates for Degenerate Partial Differential Operators. Rocky Mountain J. Math., Tome 25 (1995) no. 4, pp. 1171-1187. http://gdmltest.u-ga.fr/item/1181072213/