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@article{DE_1979_15_12_a19, author = {A. E. Gur'yanov}, title = {Inversion of a linear nonstationary system}, journal = {Differencialʹnye uravneni\^a}, pages = {2269--2270}, publisher = {mathdoc}, volume = {15}, number = {12}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1979_15_12_a19/} }
A. E. Gur'yanov. Inversion of a linear nonstationary system. Differencialʹnye uravneniâ, Tome 15 (1979) no. 12, pp. 2269-2270. http://geodesic.mathdoc.fr/item/DE_1979_15_12_a19/