QIN, Chao; CHEN, Guiyun. A NOTE ON GROUPS WHOSE ALL NON-LINEAR IRREDUCIBLE CHARACTERS ARE DEFECT ZERO. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 41, p. 671–678, 2019. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/7072. Acesso em: 17 oct. 2026.