@article{DE_1992_28_10_a7,
     author = {O. I. Morozov},
     title = {Some sufficient conditions for the upper semistability of {Lyapunov} exponents of nonhomogeneous linear systems. {II}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1724--1732},
     publisher = {mathdoc},
     volume = {28},
     number = {10},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1992_28_10_a7/}
}