Geodesic
Derivations of Lie algebras
Matematičeskie zametki, Tome 20 (1976) no. 1, pp. 3-10 
A. N. Grishkov. Derivations of Lie algebras. Matematičeskie zametki, Tome 20 (1976) no. 1, pp. 3-10. http://geodesic.mathdoc.fr/item/MZM_1976_20_1_a0/
@article{MZM_1976_20_1_a0,
     author = {A. N. Grishkov},
     title = {Derivations of {Lie} algebras},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--10},
     year = {1976},
     volume = {20},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_20_1_a0/}
}
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Voir la notice de l'article provenant de la source Math-Net.Ru

In this paper we prove a theorem on the expansion into a sum of a derivation of a splittable finite-dimensional Lie algebra over a field of characteristic 0. We investigate the structure of the derivation algebra $D(L)$ of a free nilpotent Lie algebra $L$ and we show that the algebra $D$ ($D(L)$) is perfect.