1. Yu. A. Bahturin, Identities in Lie Algebras [in Russian], Nauka, Moscow (1985).
2. G. Baumslag, A. G. Myasnikov, and V. N. Remeslennikov, “Algebraic geometry over groups. I. Algebraic sets and ideal theory,” J. Algebra, 219, 16–79 (1999).
3. N. Bourbaki, Elements of Mathematics. Commutative Algebra, Hermann, Paris; Addison-Wesley (1972).
4. C. C. Chang and H. J. Keisler, Model Theory, Studies in Logic and the Foundations of Mathematics, 1973.
5. E. Yu. Daniyarova, I. V. Kazatchkov, and V. N. Remeslennikov, “Algebraic geometry over free metabelian Lie algebras. I. U-algebras and universal classes,” Fund. Prikl. Mat., 9, No. 3, 37–63 (2003).