@article{DAN_1990_311_4_a7,
     author = {S. V. Emel'yanov and S. K. Korovin and A. L. Nersisyan},
     title = {Asymptotic properties of state observers for indeterminate systems},
     journal = {Doklady Akademii Nauk},
     pages = {807--811},
     publisher = {mathdoc},
     volume = {311},
     number = {4},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1990_311_4_a7/}
}