@article{DE_1987_23_2_a4,
     author = {A. V. Vodichev},
     title = {On conditions for the continuous recovery of the current state of a linear system with delay from the results of observation},
     journal = {Differencialʹnye uravneni\^a},
     pages = {217--227},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1987},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1987_23_2_a4/}
}