@article{DE_1974_10_4_a10,
     author = {M. I. Rakhimberdiev},
     title = {The stability of the singular exponents of a linear system, and the closure of the set of linear systems with exponential {dichotomy.~I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {659--670},
     publisher = {mathdoc},
     volume = {10},
     number = {4},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_4_a10/}
}