@article{VTGU_2016_6_a2,
     author = {A. V. Rozov and E. V. Sokolov},
     title = {On the residual nilpotence of free products of nilpotent groups with central amalgamated subgroups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {34--44},
     year = {2016},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2016_6_a2/}
}