CHEN, Ruifang; ZHAO, Xianhe; LI, Rui. On $\mathcal{M}$-normal embedded subgroups and the structure of finite groups. MATHEMATICA SCANDINAVICA, [S. l.], v. 127, n. 2, p. 243–251, 2021. DOI: 10.7146/math.scand.a-126034. Disponível em: https://www.mscand.dk/article/view/126034. Acesso em: 5 dec. 2025.