Identities in the Variety of Center-by- Lie Algebras. - Olga Kharlampovich; Dion Gildenhuys (Int. J. Algebra Comput., 1991)

The Word Problem for some Varieties of Solvable Lie Algebras. - Olga Kharlampovich; Dion Gildenhuys (Int. J. Algebra Comput., 1994)