@article{DE_1981_17_3_a3,
     author = {V. M. Millionshchikov},
     title = {Baire classes of functions and {Lyapunov} {exponents.~IV}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {431--468},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_3_a3/}
}