@article{VTGU_2011_1_a3,
     author = {N. M. Onishuk and O. V. Tsokolova},
     title = {Non-holonomic torses of the second kind},
     journal = {Vestnik Tomskogo gosudarstvennogo universiteta. Matematika i mehanika},
     pages = {31--43},
     year = {2011},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTGU_2011_1_a3/}
}