@article {1705.06727,
archivePrefix = {arXiv},
eprint = {1705.06727},
primaryClass = {math.GR},
author = {Paolo Ciatti and Michael G. Cowling},
title = {The Levi Decomposition of a Graded Lie Algebra},
year = {2017},
url = {http://arxiv.org/abs/1705.06727}
}