@article{DE_1986_22_11_a0,
     author = {E. A. Barabanov},
     title = {The structure of the set of lower {Perron} exponents of a linear differential system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1843--1853},
     publisher = {mathdoc},
     volume = {22},
     number = {11},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1986_22_11_a0/}
}