@article{DE_1984_20_10_a3,
     author = {S. V. Emel'yanov and S. K. Korovin and B. V. Ulanov},
     title = {Control of time-dependent dynamic systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1683--1694},
     publisher = {mathdoc},
     volume = {20},
     number = {10},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1984_20_10_a3/}
}