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@article{DE_1983_19_2_a17, author = {N. A. Izobov and E. A. Barabanov}, title = {The form of the highest $\sigma $-exponent of a linear system}, journal = {Differencialʹnye uravneni\^a}, pages = {359--362}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1983_19_2_a17/} }
N. A. Izobov; E. A. Barabanov. The form of the highest $\sigma $-exponent of a linear system. Differencialʹnye uravneniâ, Tome 19 (1983) no. 2, pp. 359-362. http://geodesic.mathdoc.fr/item/DE_1983_19_2_a17/