@article{IVM_1990_6_a17,
     author = {B. V. Ulanov},
     title = {Control of time-dependent dynamical objects with unknown dimension},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {83--85},
     year = {1990},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1990_6_a17/}
}