@article{DE_1999_35_5_a4,
     author = {N. A. Bobylev and S. V. Emel'yanov and S. K. Korovin},
     title = {Attractors of controlled systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {617--622},
     publisher = {mathdoc},
     volume = {35},
     number = {5},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1999_35_5_a4/}
}