On the structure of finite groups whose non-normal subgroups are core-free.
Анотація
On the structure of finite groups whose non-normal subgroups are core-free.Посилання
M. De Falco, L.A. Kurdachenko, I.Ya. Subbotin, Groups with only abnormal and subnormal subgroups, Atti Sem. Mat. Fis. Univ. Modena. 46 (1998), 435–442.
L. Zhao, Y. Li, L. Gong, Finite groups in which the cores of every non-normal subgroups are trivial, Publ. Math. Debrecen. 93 (2018), no. 3–4, 511–516.