@article{DAN_1981_256_5_a4,
     author = {B. V. Viktorov},
     title = {Decomposition of linear nonstationary automatic-control systems},
     journal = {Doklady Akademii Nauk},
     pages = {1048--1052},
     publisher = {mathdoc},
     volume = {256},
     number = {5},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1981_256_5_a4/}
}