@article{VTGU_2015_4_a4,
     author = {A. V. Razina},
     title = {Relative holomorphs of free abelian groups and their invariant subgroups},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {41--45},
     publisher = {mathdoc},
     number = {4},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2015_4_a4/}
}