@article{MZM_2015_97_6_a11,
     author = {S. A. Shakhova},
     title = {Absolutely {Closed} {Groups} in the {Class} of $2${-Step} {Nilpotent} {Torsion-Free} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {936--941},
     publisher = {mathdoc},
     volume = {97},
     number = {6},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2015_97_6_a11/}
}