@article{DE_2001_37_11_a18,
     author = {N. I. Osetinskii and F. S. Vainshtein},
     title = {Similarity {Invariants} for a {Class} of {Linear} {Controlled} {Systems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1568--1570},
     publisher = {mathdoc},
     volume = {37},
     number = {11},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_11_a18/}
}