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@article{DE_1994_30_2_a3, author = {O. P. Stepanovich}, title = {Decreasing perturbations that preserve the characteristic vectors of linear systems}, journal = {Differencialʹnye uravneni\^a}, pages = {213--220}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1994_30_2_a3/} }
O. P. Stepanovich. Decreasing perturbations that preserve the characteristic vectors of linear systems. Differencialʹnye uravneniâ, Tome 30 (1994) no. 2, pp. 213-220. http://geodesic.mathdoc.fr/item/DE_1994_30_2_a3/