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@article{DE_1977_13_9_a3, author = {N. A. Izobov}, title = {The absence of real multipliers for an $n$-dimensional periodic system of order $4m+2$}, journal = {Differencialʹnye uravneni\^a}, pages = {1581--1587}, publisher = {mathdoc}, volume = {13}, number = {9}, year = {1977}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1977_13_9_a3/} }
N. A. Izobov. The absence of real multipliers for an $n$-dimensional periodic system of order $4m+2$. Differencialʹnye uravneniâ, Tome 13 (1977) no. 9, pp. 1581-1587. http://geodesic.mathdoc.fr/item/DE_1977_13_9_a3/