@article{VTGU_2008_2_a6,
     author = {M. M. Savinkova},
     title = {$U$-sequences and {Primary} {Groups} {Having} {Proper} {Fully} {Invariant} {Subgroups} {Isomorphic} {Them}},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {56--60},
     publisher = {mathdoc},
     number = {2},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2008_2_a6/}
}