@article{DE_1992_28_4_a4,
     author = {O. I. Morozov},
     title = {A criterion for upper semistability of the highest {Lyapunov} exponent of a nonhomogeneous linear system},
     journal = {Differencialʹnye uravneni\^a},
     pages = {587--593},
     publisher = {mathdoc},
     volume = {28},
     number = {4},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_4_a4/}
}