@article{DE_2004_40_11_a4,
     author = {F. S. Vainshtein and N. I. Osetinskii},
     title = {Some classification problems for control systems and the similarity problem for sets of square matrices},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1479--1485},
     publisher = {mathdoc},
     volume = {40},
     number = {11},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2004_40_11_a4/}
}