@article{DE_1977_13_3_a21,
     author = {L. E. Kanarev},
     title = {Multivariable control systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {559--560},
     year = {1977},
     volume = {13},
     number = {3},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1977_13_3_a21/}
}