@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}, publisher = {mathdoc}, number = {6}, year = {1990}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1990_6_a17/} }