1. Left-invariant Lorentzian flat metrics on Lie groups;Haddou;J. Lie Theory,2012
2. On nilpotent and simple Leibniz algebras;Albeverio;Commun. Algebra,2005
3. A note on derivations of commutative algebras;Anderson;Proc. Am. Math. Soc.,1966
4. On Leibniz algebras;Ayupov,1998
5. On some classes of nilpotent Leibniz algebras;Ayupov;Sib. Math. J.,2001