@article{DE_1998_34_11_a9,
     author = {N. I. Osetinskii},
     title = {Some problems in the theory of the realization of linear systems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1510--1515},
     publisher = {mathdoc},
     volume = {34},
     number = {11},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1998_34_11_a9/}
}