@article{TIMB_2008_16_1_a18,
     author = {N. A. Schuchkin},
     title = {Bijectivity of the skew map in $n$-groups},
     journal = {Trudy Instituta matematiki},
     pages = {106--112},
     publisher = {mathdoc},
     volume = {16},
     number = {1},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2008_16_1_a18/}
}