@article{DE_2001_37_12_a12,
     author = {I. V. Gaishun},
     title = {State {Estimation} for {Two-Parameter} {Discrete} {Systems}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1674--1679},
     publisher = {mathdoc},
     volume = {37},
     number = {12},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_12_a12/}
}