@article{DE_1976_12_3_a7,
     author = {R. A. Prokhorova},
     title = {An estimate of the jump in the highest exponent of a linear system under exponential perturbations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {475--483},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1976_12_3_a7/}
}