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@article{DE_1977_13_5_a20, author = {G. N. Petrovskiǐ}, title = {A property of matrix exponentials}, journal = {Differencialʹnye uravneni\^a}, pages = {954--955}, publisher = {mathdoc}, volume = {13}, number = {5}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_5_a20/} }
G. N. Petrovskiǐ. A property of matrix exponentials. Differencialʹnye uravneniâ, Tome 13 (1977) no. 5, pp. 954-955. http://geodesic.mathdoc.fr/item/DE_1977_13_5_a20/