Maznichenko S. V.
Ukr. Mat. Zh. - 1999. - 51, № 12. - pp. 1614–1627
We investigate groups with locally cyclic Abelian subgroups. We give a constructive description of locally solvable groups of this type that contain a nonidentity periodic part; we also describe locally solvable groups all Abelian subgroups of which are cyclic.
Ukr. Mat. Zh. - 1998. - 50, № 5. - pp. 739–741
Solvable and minimal unsolvable finite groups with cyclic Abelian subgroups are constructively described.