@article{01271951,
title = {<title-group xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><article-title xml:lang="en"><math><mi>$\mathbb{Z}$</mi></math>-gradations of Lie algebras and infinitesimal generators.</article-title></title-group>},
journal = {Journal of Lie Theory},
volume = {9},
year = {1999},
pages = {113-123},
zbl = {0922.22004},
language = {en},
url = {http://dml.mathdoc.fr/item/01271951}
}
Richter, David A. -gradations of Lie algebras and infinitesimal generators.. Journal of Lie Theory, Tome 9 (1999) pp. 113-123. http://gdmltest.u-ga.fr/item/01271951/