Structure of one class of groups with conditions of denseness of normality for subgroups
We give a constructive description of locally graded groups G satisfying the following condition: For any pair of subgroups A and B such that A, there exists a normal subgroup N that belongs to G and is such that A≦N≦B.
English version (Springer): Ukrainian Mathematical Journal 49 (1997), no. 8, pp 1292-1295.
Citation Example: Semko N. N. Structure of one class of groups with conditions of denseness of normality for subgroups // Ukr. Mat. Zh. - 1997. - 49, № 8. - pp. 1148–1151.