1. Commuting traces of biadditive mappings, commutativity-preserving mappings and Lie mappings
2. Lie Derivations of Triangular Algebras
3. Nest Algebras, Pitman Research Notes in Mathematics Vol. 191 (Longman, London – New York, 1988).
4. A Hilbert Space Problem Book, 2nd ed. (Springer-Verlag, New York – Heideberg – Berlin, 1982).
5. Jordan Maps on Associative Algebras