@article{VMJ_2015_17_4_a0,
     author = {D. N. Azarov},
     title = {Some residual properties of polycyclic groups and split extensions},
     journal = {Vladikavkazskij matemati\v{c}eskij \v{z}urnal},
     pages = {3--10},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMJ_2015_17_4_a0/}
}