@article{DE_2003_39_2_a3,
     author = {V. A. Brusin and M. M. Kogan},
     title = {Frequency {Conditions} in {Controller} {Design} for {Dynamical} {Systems} in {Hilbert} {Spaces}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {180--185},
     publisher = {mathdoc},
     volume = {39},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_2_a3/}
}