@article{DE_2001_37_12_a1,
     author = {N. A. Izobov and S. N. Batan},
     title = {Lower {Bounds} for the {Characteristic} {Exponents} of a {Linear} {System} with {Generalized} {Perron} {Perturbations}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1593--1598},
     publisher = {mathdoc},
     volume = {37},
     number = {12},
     year = {2001},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2001_37_12_a1/}
}