@article{DE_1988_24_2_a9,
     author = {B. Sh. Shklyar},
     title = {Observability of objects of neutral type by means of linear operations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {258--266},
     publisher = {mathdoc},
     volume = {24},
     number = {2},
     year = {1988},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1988_24_2_a9/}
}