On the non–periodic groups, whose subgroups of infinite special rank are transitively normal von Kurdachenko, L. A., Subbotin, I. Ya., Velychko, T. V.

Volltext

On groups whose subgroups of infinite special rank are transitively normal von Semko, Nicolai N., Velychko, Tatyana V.

Volltext

Linear groups saturated by subgroups of finite central dimension von Semko, N. N., Skaskiv, L. V., Yarovaya, O. A.

Volltext