Albeverio, Sergio A., Shavkat A. Ayupov, et Bakhrom A. Omirov. 2006. « Cartan Subalgebras, Weight Spaces, and Criterion of Solvability of Finite Dimensional Leibniz Algebras ». Revista Matemática Complutense 19 (1): 183-95. https://doi.org/10.5209/rev_REMA.2006.v19.n1.16652.