@article{DE_1978_14_12_a7,
     author = {S. A. Minyuk},
     title = {On the theory of ideal observability of linear systems with lag},
     journal = {Differencialʹnye uravneni\^a},
     pages = {2164--2169},
     publisher = {mathdoc},
     volume = {14},
     number = {12},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1978_14_12_a7/}
}