YU, Dapeng; CHEN, Guiyun; XUE, Haibo; LV, Heng. FINITE p-GROUPS IN WHICH NORMAL CLOSURES FOR EVERY NONNORMAL SUBGROUPS ARE MINIMAL NONABELIAN. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 34, p. 431–436, 2015. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6340. Acesso em: 7 aug. 2026.