Chooi, W.L.; Ng, W.S. (2010) On classical adjoint-commuting mappings between matrix algebras. Linear Algebra and its Applications, 432 (10). pp. 2589-2599.

Lim, M. (2005) Additive mappings between Hermitian matrix spaces preserving rank not exceeding one. Linear Algebra and its Applications, 408. pp. 259-267. ISSN 00243795