CONRAD, P. The Groups of Word Preserving Permutations of a Group. The Journal of the Indian Mathematical Society, [S. l.], v. 22, n. 4, p. 149–179, 1958. DOI: 10.18311/jims/1958/16946. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/16946. Acesso em: 2 may. 2024.