@article{05827279,
title = {The index of centralizers of elements of reductive Lie algebras.},
journal = {Documenta Mathematica},
volume = {15},
year = {2010},
pages = {387-421},
zbl = {1223.17014},
language = {en},
url = {http://dml.mathdoc.fr/item/05827279}
}
Charbonnel, Jean-Yves; Moreau, Anne. The index of centralizers of elements of reductive Lie algebras.. Documenta Mathematica, Tome 15 (2010) pp. 387-421. http://gdmltest.u-ga.fr/item/05827279/