%0 Journal Article %A Chapoton, Frédéric %T Free Pre-Lie Algebras are Free as Lie Algebras %J Canadian mathematical bulletin %D 2010 %P 425-437 %V 53 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-063-2/ %R 10.4153/CMB-2010-063-2 %F 10_4153_CMB_2010_063_2