@article{hal-00002110,
author = {Chapoton, Frederic and Livernet, Muriel},
title = {Pre-Lie algebras and the rooted trees operad},
journal = {HAL},
volume = {2001},
number = {0},
year = {2001},
language = {en},
url = {http://dml.mathdoc.fr/item/hal-00002110}
}
Chapoton, Frederic; Livernet, Muriel. Pre-Lie algebras and the rooted trees operad. HAL, Tome 2001 (2001) no. 0, . http://gdmltest.u-ga.fr/item/hal-00002110/