1. Generalized polynomial identities and pivotal monomials
2. Beidar, K.I., Fong, Y., Knauer, U. and Mikhalev, A.V. Semigroups with Generalized Polynomial Identities. Proceedings of First International Tainan-Moscow Algebra Workshop, July 23-Aiugust 22. 1994. Edited by: Fong, Y., Knauer, U. and Mikhalev, A.V. pp.147–158. Berlin: Walter de Gruyter. New York
3. On a certain functional identity in prime rings*