@article{DE_1990_26_4_a9,
     author = {B. V. Ulanov},
     title = {On the problem of continuous stabilization of nonstationary objects},
     journal = {Differencialʹnye uravneni\^a},
     pages = {622--625},
     publisher = {mathdoc},
     volume = {26},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1990_26_4_a9/}
}