@article{TIMB_2017_25_2_a6,
     author = {D. I. Pirshtuk},
     title = {On characteristic distibutions of left-invariant optimal-control systems},
     journal = {Trudy Instituta matematiki},
     pages = {70--81},
     publisher = {mathdoc},
     volume = {25},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TIMB_2017_25_2_a6/}
}