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@article{DE_1972_8_8_a23, author = {T. B. Kopeikina}, title = {The identifiability of linear nonstationary systems}, journal = {Differencialʹnye uravneni\^a}, pages = {1507--1510}, publisher = {mathdoc}, volume = {8}, number = {8}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1972_8_8_a23/} }
T. B. Kopeikina. The identifiability of linear nonstationary systems. Differencialʹnye uravneniâ, Tome 8 (1972) no. 8, pp. 1507-1510. http://geodesic.mathdoc.fr/item/DE_1972_8_8_a23/