This paper sheds a light on periodic soluble groups whose subgroups of infinite special rank are transitively normal.
Description:
Semko N.N. On groups whose subgroups of infinite special rank are transitively normal / N.N.Semko, T.V.Velychko // Algebra and Discrete Mathematics. - 2017. - Vol. 24. - Number 1. - Рp. 34-45
