Kurdachenko, L.A.; Pypka, A.A.; Subbotin, I.Ya.
(Доповіді НАН України, 2020)
We investigate the influence of some natural types of subgroups on the structure of groups. A subgroup H of a group
G is called contranormal in G, if G = H^G. A subgroup H of a group G is called core-free in G, if CoreG(H) ...