@article{DE_1980_16_8_a6,
     author = {V. M. Millionshchikov},
     title = {Baire classes of functions and {Lyapunov} {exponents.~I}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1408--1416},
     publisher = {mathdoc},
     volume = {16},
     number = {8},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1980_16_8_a6/}
}