DESKINS, W. E. When is an Automorphism Inner?. The Journal of the Indian Mathematical Society, [S. l.], v. 38, n. 1-4, p. 37–41, 1974. Disponível em: http://www.informaticsjournals.com/index.php/jims/article/view/16679. Acesso em: 19 may. 2024.