On the Colength of a Variety of Lie Algebras. - Antonio Giambruno; Sergey P. Mishchenko; Mikhail V. Zaicev (Int. J. Algebra Comput., 1999)

Algebras with intermediate growth of the codimensions. - Antonio Giambruno; Sergey P. Mishchenko; Mikhail V. Zaicev (Adv. Appl. Math., 2006)